Sismondo, S. (2007). Ghost Management: How Much of the Medical Literature Is Shaped Behind the Scenes by the Pharmaceutical Industry? Public Library of Science.
استشهاد بنمط شيكاغوSismondo, Sergio. Ghost Management: How Much of the Medical Literature Is Shaped Behind the Scenes By the Pharmaceutical Industry? Public Library of Science, 2007.
MLA استشهادSismondo, Sergio. Ghost Management: How Much of the Medical Literature Is Shaped Behind the Scenes By the Pharmaceutical Industry? Public Library of Science, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.