Ferriman, A. (1999). AMA’s scheme to protect JAMA’s independence has drawbacks. British Medical Journal.
استشهاد بنمط شيكاغوFerriman, Annabel. AMA’s Scheme to Protect JAMA’s Independence Has Drawbacks. British Medical Journal, 1999.
MLA استشهادFerriman, Annabel. AMA’s Scheme to Protect JAMA’s Independence Has Drawbacks. British Medical Journal, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.