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, I..
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.