References
- Blumstein , P. and Schwartz , P. 1983 . American couples: Money, work, sex. , New York : William Morrow .
- Peplau , L. A. and Cochran , S. D. 1990 . “ A relational perspective on homosexuality ” . In Homosexuality / heterosexuality: Concepts of sexual orientation , Edited by: McWhirter , D. P. , Sanders , S. A. and Reinish , J. M. 321 – 349 . New York : Oxford University Press .