Dougall, J. W. C. (1937). Christianity and the sex-education of the African. Society for Promoting Christian Knowledge.
Chicago-referens (17:e uppl.)Dougall, James W. C. Christianity and the Sex-education of the African. London: Society for Promoting Christian Knowledge, 1937.
MLA-referens (8:e uppl.)Dougall, James W. C. Christianity and the Sex-education of the African. Society for Promoting Christian Knowledge, 1937.
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