Gaya APA
Hasan, M, Y.
(1991).
Pengabdian
.
Selangor Darul Ehsan:
Fajar Bakti.
Gaya MLA
Hasan, Mohd., Yusof.
"Pengabdian".
Selangor Darul Ehsan:
Fajar Bakti,
1991.
Text.