Actual and desired duration of foreplay and intercourse: Discordance and misperceptions within heterosexual couples. 2004. doi:10.1080/00224490409552237. ISSN0022-4499.
Leonhardt, Nathan D.; Willoughby, Brian J. Pornography, provocative sexual media, and their differing associations with multiple aspects of sexual satisfaction (англійською) . doi:10.1177/0265407517739162. ISSN0265-4075.
Actual and desired duration of foreplay and intercourse: Discordance and misperceptions within heterosexual couples. 2004. doi:10.1080/00224490409552237. ISSN0022-4499.
Leonhardt, Nathan D.; Willoughby, Brian J. Pornography, provocative sexual media, and their differing associations with multiple aspects of sexual satisfaction (англійською) . doi:10.1177/0265407517739162. ISSN0265-4075.