APA استشهاد

Oppenheimer, V. K. (1970). The female labour force in the United States. Greenwood Press.

استشهاد بنمط شيكاغو

Oppenheimer, Valerie Kincade. The Female Labour Force in the United States. Berkeley: Greenwood Press, 1970.

MLA استشهاد

Oppenheimer, Valerie Kincade. The Female Labour Force in the United States. Greenwood Press, 1970.