APA aipamena

Cholia, A., Voice, R., & Abela, G. S. (2006). Quadricuspid aortic valve: A rare entity. Clin Cardiol.

Chicago Style aipamena

Cholia, Anand, Ronald Voice, and George S. Abela. "Quadricuspid Aortic Valve: A Rare Entity." Clin Cardiol 2006.

MLA aipamena

Cholia, Anand, Ronald Voice, and George S. Abela. "Quadricuspid Aortic Valve: A Rare Entity." Clin Cardiol 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.