APA aipamena

Steinbeck, J. (1939). The grapes of wrath. Heinnemann.

Chicago Style aipamena

Steinbeck, John. The Grapes of Wrath. London: Heinnemann, 1939.

MLA aipamena

Steinbeck, John. The Grapes of Wrath. Heinnemann, 1939.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.