APA aipamena

Herd, D. A. (1952). Medical Aspects of Tobacco Smoking.

Chicago Style aipamena

Herd, David A. Medical Aspects of Tobacco Smoking. 1952.

MLA aipamena

Herd, David A. Medical Aspects of Tobacco Smoking. 1952.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.