RachelVenning,ClaireCavanah: Sex Toys 101: A Playfully Uninhibited Guide. Simon & Schuster, 2003, ISBN 978-0-7432-4351-3, S.86– (englisch, google.com[abgerufen am 26.November 2012]).
CathyWinks,AnneSemans: The Good Vibrations Guide to Sex: The Most Complete Sex Manual Ever Written. Cleis Press, San Francisco 2002, ISBN 1-57344-158-9, S.199– (englisch, google.com[abgerufen am 26.November 2012]).
EmmaTaylor,LoreleiSharkey: Em & Lo's Sex Toy: An A-Z Guide to Bedside Accessories. Chronicle Books, San Francisco 2006, ISBN 0-8118-5283-0, S.180– (google.com[abgerufen am 26.November 2012]).
The Fenway Guide To Lesbian, Gay, Bisexual, and Transgender Health. American College of Physicians Press, Philadelphia 2008, ISBN 978-1-93051395-2, S.350– (google.com[abgerufen am 26.November 2012]).
Catherine Williamson: Providing care to transgender persons: a clinical approach to primary care, hormones, and HIV management. In: Journal of the Association of Nurses in AIDS Care. Band 21, Nr. 3, 2010, S. 221–229, doi:10.1016/j.jana.2010.02.004 „wearing ‘soft packers’ (soft penis-shaped silicone or plastic forms) to create a male bulge“