APA-ийн эшлэл(7 дахь хэвлэлт)

Pai, R. G., & Varadarajan, P. (2007). Echocardiography board review: 400 multiple choice questions with discussion. John Wiley & Sons.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Pai, Ramdas G., ба Padmini Varadarajan. Echocardiography Board Review: 400 Multiple Choice Questions with Discussion. Chichester, West Sussex, England ; Hoboken, NJ: John Wiley & Sons, 2007.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Pai, Ramdas G., ба Padmini Varadarajan. Echocardiography Board Review: 400 Multiple Choice Questions with Discussion. John Wiley & Sons, 2007.