APA Style
Al-Khudhairi, M, B, A.
(2008).
Bahaya Sikap Pesimis
.
Jakarta:
Yayasan Al-Sofwa.
MLA Style
Al-Khudhairi, Muhammad, Bin, Abdul.
"Bahaya Sikap Pesimis".
Jakarta:
Yayasan Al-Sofwa,
2008.
.