Gaya APA
Gray, T, C., Utting, J.
(1980).
General Anaesthesia: Vol.1
(
4th.ed)
.
London:
Butterworths.
Gaya MLA
Gray, T., Cecil., Utting, J.E.
"General Anaesthesia: Vol.1".
4th.ed
London:
Butterworths,
1980.
print.