APA استشهاد

Speid, L. (2010). Clinical trials: What patients and healthy volunteers need to know. Oxford University Press.

استشهاد بنمط شيكاغو

Speid, Lorna. Clinical Trials: What Patients and Healthy Volunteers Need to Know. Oxford ; New York: Oxford University Press, 2010.

MLA استشهاد

Speid, Lorna. Clinical Trials: What Patients and Healthy Volunteers Need to Know. Oxford University Press, 2010.