Spillane, W. H., & Ryser, P. E. (1975). Male fertility survey: Fertility knowledge, attitudes, and practices of married men. Ballinger Pub.
Lua i Stíl Chicago (17ú heag.)Spillane, William H., agus Paul E. Ryser. Male Fertility Survey: Fertility Knowledge, Attitudes, and Practices of Married Men. Massachusetts: Ballinger Pub, 1975.
Lua MLA (9ú heag.)Spillane, William H., agus Paul E. Ryser. Male Fertility Survey: Fertility Knowledge, Attitudes, and Practices of Married Men. Ballinger Pub, 1975.
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