Gaya APA
Schwartz, G, R., Safar, P. (1986).
Principles and Practice of Emergency Medicine. Vol.1 (2nd ed).
Philadelphia:
W.B. Saunders.
Gaya MLA
Schwartz, George, R., Safar, Peter.
"Principles and Practice of Emergency Medicine. Vol.1".
2nd ed
Philadelphia:
W.B. Saunders,
1986.
print.