Seward, G. H. (1954). Sex and the social order. Harmondsworth: Penguin.
Lua i Stíl Chicago (17ú heag.)Seward, Georgene H. Sex and the Social Order. Harmondsworth: Penguin, 1954.
Lua MLA (8ú heag.)Seward, Georgene H. Sex and the Social Order. Harmondsworth: Penguin, 1954.
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