APA استشهاد

Manheim, R. &. W. (1971). Bertolt Brecht Collected Plays: Vol-1 (1st.). Vintage Books.

استشهاد بنمط شيكاغو

Manheim, Ralph & Willett. Bertolt Brecht Collected Plays: Vol-1. 1st. New York: Vintage Books, 1971.

MLA استشهاد

Manheim, Ralph & Willett. Bertolt Brecht Collected Plays: Vol-1. 1st. Vintage Books, 1971.