APA aipamena

Sullivan, W. (1961). Assault on the unknown: The International Geophysical Year. McGraw-Hill.

Chicago Style aipamena

Sullivan, Walter. Assault on the Unknown: The International Geophysical Year. New York: McGraw-Hill, 1961.

MLA aipamena

Sullivan, Walter. Assault on the Unknown: The International Geophysical Year. McGraw-Hill, 1961.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.