Calleja, H. B., & Sibulo, A. S. J. (1996). The leading edge in cardiology 2. St. Luke's Heart Institution.
芝加哥风格引文Calleja, Homobono B., 与 Antonio S. Jr Sibulo. The Leading Edge in Cardiology 2. Metro Manila: St. Luke's Heart Institution, 1996.
MLA引文Calleja, Homobono B., 与 Antonio S. Jr Sibulo. The Leading Edge in Cardiology 2. St. Luke's Heart Institution, 1996.
警告：这些引文格式不一定是100％准确.