Laipson, P. (1996-03-01). „"Kiss Without Shame, For She Desires It": Sexual Foreplay in American Marital Advice Literature, 1900-1925“. Journal of Social History. 29 (3): 507–525. doi:10.1353/jsh/29.3.507. ISSN0022-4529.
worldcat.org
Laipson, P. (1996-03-01). „"Kiss Without Shame, For She Desires It": Sexual Foreplay in American Marital Advice Literature, 1900-1925“. Journal of Social History. 29 (3): 507–525. doi:10.1353/jsh/29.3.507. ISSN0022-4529.
Lehmiller, Justin J. (12 October 2017). The psychology of human sexuality (Second leid.). Hoboken, NJ. ISBN9781119164708. OCLC992580729.{{cite book}}: CS1 priežiūra: location missing publisher (link)