Lenzer, J. (2004). Pfizer criticised over delay in admitting drug's problems. BMJ Group.
استشهاد بنمط شيكاغوLenzer, Jeanne. Pfizer Criticised Over Delay in Admitting Drug's Problems. BMJ Group, 2004.
MLA استشهادLenzer, Jeanne. Pfizer Criticised Over Delay in Admitting Drug's Problems. BMJ Group, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.