Gaya APA
Chen, P. (1989).
Primary Health Care among the Orang Ulu of Serawak Malaysia .
Kuala Lumpur:
Faculty of Medicine University of Malaysia.
Gaya MLA
Chen, P.C.Y..
"Primary Health Care among the Orang Ulu of Serawak Malaysia".
Kuala Lumpur:
Faculty of Medicine University of Malaysia,
1989.
print.