APA aipamena

Bigham, T. C. (1946). Transportation: Principles and problems. New York [etc.]: McGraw-Hill Book Company.

Chicago Style aipamena

Bigham, Truman C. Transportation: Principles and Problems. New York [etc.]: McGraw-Hill Book Company, 1946.

MLA aipamena

Bigham, Truman C. Transportation: Principles and Problems. New York [etc.]: McGraw-Hill Book Company, 1946.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.