Healthline. https://www.healthline.com/health/10-things-to-know-about-the-coital-alignment-technique#takeaway
Diakses 25 Februari 2020Huffington Post. https://www.huffpost.com/entry/missionary-sex-position-tips_l_5cc9ebffe4b0913d078bdc92
Diakses 25 Februari 2020Romper. https://www.romper.com/p/15-little-things-to-do-during-missionary-to-make-it-better-16283
Diakses 25 Februari 2020Thrillist. https://www.thrillist.com/sex-dating/nation/how-to-last-longer-in-bed-more-basic-sex-tips-hacks-for-everyone
Diakses 25 Februari 2020