Gaya APA
Isselbacher, K, J. et al (1982).
Harrison's Principles of Internal Medicine: With CME Examination. Upadate II (9th ed).
New York:
Mc Graw-Hill.
Gaya MLA
Isselbacher, Kurt, J. et al.
"Harrison's Principles of Internal Medicine: With CME Examination. Upadate II".
9th ed
New York:
Mc Graw-Hill,
1982.
print.