Gaya APA

Group, I. (2013). The New England Journal of Medicine Vol. 368 No.6 Feb 7 - 2013 (Vol. 368 No.6 February 2013). United Kingdom: NEJM Group.

Gaya MLA

Group, Internasional.NEJM. "The New England Journal of Medicine Vol. 368 No.6 Feb 7 - 2013". Vol. 368 No.6 February 2013 United Kingdom: NEJM Group, 2013. Text.