Laipson, 1996, p.507-525. Laipson, Peter«"Kiss Without Shame, For She Desires It": Sexual Foreplay in American Marital Advice Literature, 1900-1925»(en anglès).Journal of Social History,29(3),març 1996. DOI: 10.1353/jsh/29.3.507. ISSN: 0022-4529.
Miller i Byers, 2004, p.301-309. Miller, S. Andrea;Byers, E. Sandra«Actual and desired duration of foreplay and intercourse: Discordance and misperceptions within heterosexual couples»(en anglès).The Journal of Sex Research,41(3),agost 2004. DOI: 10.1080/00224490409552237. ISSN: 0022-4499. PMID: 15497058.
Mulhall et al., 2008, p.788-795. Mulhall, John;King, Rosie;Glina, Sidney;Hvidsten, Kyle«Importance of and Satisfaction with Sex Among Men and Women Worldwide: Results of the Global Better Sex Survey»(en anglès).The Journal of Sexual Medicine,5(4),abril 2008. DOI: 10.1111/j.1743-6109.2007.00765.x. ISSN: 1743-6095. PMID: 18284556.
Leonhardt i Willoughby, 2019, p.618-641. Leonhardt, Nathan D.;Willoughby, Brian J.«Pornography, provocative sexual media, and their differing associations with multiple aspects of sexual satisfaction»(en anglès).Journal of Social and Personal Relationships,36(2),febrer 2019. DOI: 10.1177/0265407517739162. ISSN: 0265-4075.
Miller i Byers, 2004, p.301-309. Miller, S. Andrea;Byers, E. Sandra«Actual and desired duration of foreplay and intercourse: Discordance and misperceptions within heterosexual couples»(en anglès).The Journal of Sex Research,41(3),agost 2004. DOI: 10.1080/00224490409552237. ISSN: 0022-4499. PMID: 15497058.
Mulhall et al., 2008, p.788-795. Mulhall, John;King, Rosie;Glina, Sidney;Hvidsten, Kyle«Importance of and Satisfaction with Sex Among Men and Women Worldwide: Results of the Global Better Sex Survey»(en anglès).The Journal of Sexual Medicine,5(4),abril 2008. DOI: 10.1111/j.1743-6109.2007.00765.x. ISSN: 1743-6095. PMID: 18284556.
Laipson, 1996, p.507-525. Laipson, Peter«"Kiss Without Shame, For She Desires It": Sexual Foreplay in American Marital Advice Literature, 1900-1925»(en anglès).Journal of Social History,29(3),març 1996. DOI: 10.1353/jsh/29.3.507. ISSN: 0022-4529.
Miller i Byers, 2004, p.301-309. Miller, S. Andrea;Byers, E. Sandra«Actual and desired duration of foreplay and intercourse: Discordance and misperceptions within heterosexual couples»(en anglès).The Journal of Sex Research,41(3),agost 2004. DOI: 10.1080/00224490409552237. ISSN: 0022-4499. PMID: 15497058.
Mulhall et al., 2008, p.788-795. Mulhall, John;King, Rosie;Glina, Sidney;Hvidsten, Kyle«Importance of and Satisfaction with Sex Among Men and Women Worldwide: Results of the Global Better Sex Survey»(en anglès).The Journal of Sexual Medicine,5(4),abril 2008. DOI: 10.1111/j.1743-6109.2007.00765.x. ISSN: 1743-6095. PMID: 18284556.
Leonhardt i Willoughby, 2019, p.618-641. Leonhardt, Nathan D.;Willoughby, Brian J.«Pornography, provocative sexual media, and their differing associations with multiple aspects of sexual satisfaction»(en anglès).Journal of Social and Personal Relationships,36(2),febrer 2019. DOI: 10.1177/0265407517739162. ISSN: 0265-4075.