APA-čujuhus (7. p.)
Pai, R., & Varadarajan, P. (2014). Echocardiography board review: 500 multiple choice questions with discussion (Second edition.). Wiley-Blackwell.
Chicago-čujuhus (17. p.)
Pai, Ramdas, juo Padmini Varadarajan. Echocardiography Board Review: 500 Multiple Choice Questions with Discussion. Second edition. Chichester, England: Wiley-Blackwell, 2014.
MLA-čujuhus (9. p.)
Pai, Ramdas, juo Padmini Varadarajan. Echocardiography Board Review: 500 Multiple Choice Questions with Discussion. Second edition. Wiley-Blackwell, 2014.
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