APA Alıntı

McGovern, D. P. B., & Travis, S. P. L. (2005). Smoking status in therapeutic trials in Crohn’s disease. Copyright 2005 by Gut.

Chicago Stili Alıntı

McGovern, D P B., ve S P L. Travis. Smoking Status in Therapeutic Trials in Crohn’s Disease. Copyright 2005 by Gut, 2005.

MLA Alıntı

McGovern, D P B., ve S P L. Travis. Smoking Status in Therapeutic Trials in Crohn’s Disease. Copyright 2005 by Gut, 2005.