Pai, R., & Varadarajan, P. (2014). Echocardiography board review: 500 multiple choice questions with discussion (Second edition.). Wiley-Blackwell.
芝加哥风格引文Pai, Ramdas, 与 Padmini Varadarajan. Echocardiography Board Review: 500 Multiple Choice Questions with Discussion. Second edition. Chichester, England: Wiley-Blackwell, 2014.
MLA引文Pai, Ramdas, 与 Padmini Varadarajan. Echocardiography Board Review: 500 Multiple Choice Questions with Discussion. Second edition. Wiley-Blackwell, 2014.
警告：这些引文格式不一定是100％准确.