Dyfyniad APA

British Social Biology Council & British Social Hygiene Council. (1979). Biology and human affairs: A British Social Hygiene Council publication. The Council.

Dyfyniad Arddull Chicago

British Social Biology Council and British Social Hygiene Council. Biology and Human Affairs: A British Social Hygiene Council Publication. [London]: The Council, 1979.

Dyfyniad MLA

British Social Biology Council and British Social Hygiene Council. Biology and Human Affairs: A British Social Hygiene Council Publication. The Council, 1979.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.