https://archive.org/details/pleasurablekingd00balc_0/page/106 106]–118. ISBN 978-0230552272.↑ Taormino, Tristan (2009). The Big Book of Sex Toys. Quiver. p. 52. ISBN 978-1-59233-355-4. සම්ප්‍රවේශය June 9, 2014.↑ 16.0 16.1 16.2 16.3 Wayne Weiten; Dana S. Dunn; Elizabeth Yost Hammer (2011). Psychology Applied to Modern Life: Adjustment in the 21st Century. Cengage Learning. pp. 384–386. ISBN 978-1-111-18663-0. සම්ප්‍රවේශය January 5, 2012.↑ Sandra Alters; Wendy Schiff (2011). Essential Concepts for Healthy Living Update. Jones & Bartlett Publishers. p. [11"11"11"https://archive.org/details/essentialconcept00sand_1/page/154 154]. ISBN 978-1449653743. සම්ප්‍රවේශය December 9, 2014.↑ 18.0 18.1 Pfaus J.G., Flanagan-Cato L.M., Blaustein J.D. (2015) Female sexual behavior. in Plant T., Zeleznik A. (Eds). Knobil and Neill's Physiology of Reproduction. Academic Press, 4th edition↑ Harry T. Reis; Susan Sprecher; Susan K. Sprecher (2009). Encyclopedia of Human Relationships. Vol. 1. SAGE. 