APA aipamena

Refsum, H., & Smith, A. (2006). Homocysteine, B vitamins, and cardiovascular disease.

Chicago Style aipamena

Refsum, H., and A. Smith. Homocysteine, B Vitamins, and Cardiovascular Disease. 2006.

MLA aipamena

Refsum, H., and A. Smith. Homocysteine, B Vitamins, and Cardiovascular Disease. 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.