APA aipamena

Calleja, H. B., & Sibulo, A. S. J. (1996). The leading edge in cardiology 2. St. Luke's Heart Institution.

Chicago Style aipamena

Calleja, Homobono B., and Antonio S. Jr Sibulo. The Leading Edge in Cardiology 2. Metro Manila: St. Luke's Heart Institution, 1996.

MLA aipamena

Calleja, Homobono B., and Antonio S. Jr Sibulo. The Leading Edge in Cardiology 2. St. Luke's Heart Institution, 1996.