APA aipamena

(1939). The world over: 1938: A chronological and interpretive survey of the year of tension. Harrison-Hilton Books.

Chicago Style aipamena

The World over: 1938: A Chronological and Interpretive Survey of the Year of Tension. New York: Harrison-Hilton Books, 1939.

MLA aipamena

The World over: 1938: A Chronological and Interpretive Survey of the Year of Tension. Harrison-Hilton Books, 1939.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.