^"autocunnilingus", The Complete Dictionary of Sexology, expanded ed., ed. Robert T. Francoeur et al., New York: Continuum, 1995, ISBN 9780826406729, p. 49.
^"Schlangenfrau gesucht" - "Sought: snake-woman", Mario Günther-Bruns, Sexgott: 1.000 Tabubrüche, Diana 60223, Munich: Heyne, 2013, ISBN 9783453602236, n. p. (页面存档备份,存于互联网档案馆) (德文)
^Eva Christina, The Book of Kink: Sex Beyond the Missionary, New York: Perigee, 2011, ISBN 706018293, n. p. (页面存档备份,存于互联网档案馆)
^Jesse Bering, "So Close, and Yet So Far Away: The Contorted History of Autofellatio", in Why Is the Penis Shaped Like That?: And Other Reflections on Being Human, New York: Scientific American / Farrar, Straus, Giroux, 2012, ISBN 9780374532925, pp. 11–16, p. 16 (页面存档备份,存于互联网档案馆).
^Drawing, Art of Love: Nearly 100 Sex Positions and Wealth of Illustrated Material from Foreplay to Anatomy, e-book, Mobilereference.com, 2007, ISBN 9781605011172, n.p. (页面存档备份,存于互联网档案馆)
^Fear of Being Fat: The Treatment of Anorexia Nervosa and Bulimia, ed. C. Philip Wilson with Charles C. Hogan and Ira L. Mintz, Classical psychoanalysis and its applications, New York: Aronson, 1983, ISBN 9780876684801, p. 145 (页面存档备份,存于互联网档案馆).
^David Linden|David J. Linden, The Compass of Pleasure: How Our Brains Make Fatty Foods, Orgasm, Exercise, Marijuana, Generosity, Vodka, Learning, and Gambling (页面存档备份,存于互联网档案馆) Feel so Good, New York: Viking-Penguin, 2011, ISBN 9780670022588, n.p. (页面存档备份,存于互联网档案馆): the example that follows involves water from a garden hose rather than the mouth.
^Ludger Lütkehaus, "'O Wollust, o Hölle': Onanie, Phantasie und Literatur", Die Zeit, 15 November 1991, p. 10 (页面存档备份,存于互联网档案馆) (德文)
^W. Daniel Wilson, Goethe Männer Knaben: Ansichten zur "Homosexualität", Berlin: Insel, 2012, ISBN 9783458175421, p. 500 (pdf p. 8 (页面存档备份,存于互联网档案馆)) (德文)