APA način citiranja

Griffiths, B. E., Charles, R., & Coulshed, N. (1980). Echophonocardiography in diagnosis of mitral paravalvular regurgitation with Björk-Shiley prosthetic valve.

Čikaški stil citiranja

Griffiths, B E., R. Charles, i N. Coulshed. Echophonocardiography in Diagnosis of Mitral Paravalvular Regurgitation With Björk-Shiley Prosthetic Valve. 1980.

MLA način citiranja

Griffiths, B E., R. Charles, i N. Coulshed. Echophonocardiography in Diagnosis of Mitral Paravalvular Regurgitation With Björk-Shiley Prosthetic Valve. 1980.