Gaya APA
Rees, P, J.
(2002).
Handbook of Chronic Obstructive Pulmantory Disease
.
NGANJUK:
CNC Press.
Gaya MLA
Rees, P, John.
"Handbook of Chronic Obstructive Pulmantory Disease".
NGANJUK:
CNC Press,
2002.
PERAWAT.