APA استشهاد

Julious, S. A. (2010). Sample sizes for clinical trials. CRC Press.

استشهاد بنمط شيكاغو

Julious, Steven A. Sample Sizes for Clinical Trials. Boca Raton: CRC Press, 2010.

MLA استشهاد

Julious, Steven A. Sample Sizes for Clinical Trials. CRC Press, 2010.