Chapman, S. (2003). “Author pays” publishing model: Model is concerned with vanity and profit. BMJ Publishing Group Ltd.
استشهاد بنمط شيكاغوChapman, Simon. “Author Pays” Publishing Model: Model Is Concerned With Vanity and Profit. BMJ Publishing Group Ltd, 2003.
MLA استشهادChapman, Simon. “Author Pays” Publishing Model: Model Is Concerned With Vanity and Profit. BMJ Publishing Group Ltd, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.