Yaffe, J., Montgomery, P., Hopewell, S., & Shepard, L. D. (2012). Empty Reviews: A Description and Consideration of Cochrane Systematic Reviews with No Included Studies. Public Library of Science.
استشهاد بنمط شيكاغوYaffe, Joanne, Paul Montgomery, Sally Hopewell, و Lindsay Dianne Shepard. Empty Reviews: A Description and Consideration of Cochrane Systematic Reviews With No Included Studies. Public Library of Science, 2012.
MLA استشهادYaffe, Joanne, Paul Montgomery, Sally Hopewell, و Lindsay Dianne Shepard. Empty Reviews: A Description and Consideration of Cochrane Systematic Reviews With No Included Studies. Public Library of Science, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.