Gerressu M, Mercer CH, Graham CA, Wellings K, Johnson AM (April 2008). ”Prevalence of masturbation and associated factors in a British national probability survey”. Arch Sex Behav 37 (2): sid. 266–78. doi:10.1007/s10508-006-9123-6. PMID 17333329.
Nolen-Hoeksema, Susan (1987). ”Sex differences in unipolar depression: Evidence and theory”. Psychological Bulletin 101 (2): sid. 259–82. doi:10.1037/0033-2909.101.2.259. PMID 3562707.
Gerressu M, Mercer CH, Graham CA, Wellings K, Johnson AM (April 2008). ”Prevalence of masturbation and associated factors in a British national probability survey”. Arch Sex Behav 37 (2): sid. 266–78. doi:10.1007/s10508-006-9123-6. PMID 17333329.
Afifi, M (2007). ”Gender differences in mental health”. Singapore medical journal 48 (5): sid. 385–91. PMID 17453094.
Nolen-Hoeksema, Susan (1987). ”Sex differences in unipolar depression: Evidence and theory”. Psychological Bulletin 101 (2): sid. 259–82. doi:10.1037/0033-2909.101.2.259. PMID 3562707.