Παραπομπή APA

Kindkeberger, C. (1973). World in Depression,1929-1939. Penguin Press.

Παραπομπή Chicago Style

Kindkeberger, Charles. World in Depression,1929-1939. London: Penguin Press, 1973.

Παραπομπή MLA

Kindkeberger, Charles. World in Depression,1929-1939. Penguin Press, 1973.