Gaya APA

Draper, E, (, , , ). (-1972). Birth control in the modern world, the role of the individual in population control, 2nd ed. Cet.pertama 1965. . (Harmondsworth): Penguin.

Gaya MLA

Draper, Elizabeth., (1915-, , , ).. "Birth control in the modern world, the role of the individual in population control, 2nd ed. Cet.pertama 1965. ". (Harmondsworth): Penguin, -1972. Buku.