Ana, J. N. (2005). Africa's medical brain drain: Brain gain and brain circulation result when drain is reversed. BMJ Publishing Group Ltd.
استشهاد بنمط شيكاغوAna, Joseph N. Africa's Medical Brain Drain: Brain Gain and Brain Circulation Result When Drain Is Reversed. BMJ Publishing Group Ltd, 2005.
MLA استشهادAna, Joseph N. Africa's Medical Brain Drain: Brain Gain and Brain Circulation Result When Drain Is Reversed. BMJ Publishing Group Ltd, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.