Gaya APA
Bassam, A, B, A, A.
(1981).
PROFESSIONAL ETHICS
.
JAKATARTA:
PEDOMAN ILMU JAYA.
Gaya MLA
Bassam, Abdul, Bin, Abdurrahman, Al.
"PROFESSIONAL ETHICS".
JAKATARTA:
PEDOMAN ILMU JAYA,
1981.
Text.