Gaya APA

Yuh, D, D. et al (2007). THE JOHNS HOPKINS MANUAL OF CARDIOTHORACIC SURGERY . United states of America: The McGraw-Hill Companies.

Gaya MLA

Yuh, David, D.. et al. "THE JOHNS HOPKINS MANUAL OF CARDIOTHORACIC SURGERY". United states of America: The McGraw-Hill Companies, 2007. Text.