Gaya APA
PhD, L., J., M. et al. (2015).
Harrison's Principles of Internal Medicine, Vol 1 (19th Ed.).
New York:
McGraw Hill.
Gaya MLA
PhD, L., J., M. et al..
Harrison's Principles of Internal Medicine, Vol 1.
19th Ed.
New York:
McGraw Hill,
2015.
Text.