Pollack, J. (1968). The role of blue cross and insurance companies in insuring group practice.
استشهاد بنمط شيكاغوPollack, Jerome. The Role of Blue Cross and Insurance Companies in Insuring Group Practice. 1968.
MLA استشهادPollack, Jerome. The Role of Blue Cross and Insurance Companies in Insuring Group Practice. 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.