APA استشهاد

Senn,Stephen. (2002). Cross-Over Trials in Clinical Research (Second Edition 2002.). John Wiley & sons Ltd..

استشهاد بنمط شيكاغو

Senn,Stephen. Cross-Over Trials in Clinical Research. Second Edition 2002. [s.l]: John Wiley & sons Ltd., 2002.

MLA استشهاد

Senn,Stephen. Cross-Over Trials in Clinical Research. Second Edition 2002. John Wiley & sons Ltd., 2002.