Gaya APA
Sonhaji, M, A.
(2008).
Kaya itu wajib/Muhammad Abdullah Sonhaji
.
Yogyakarta:
Qolbun Salim.
Gaya MLA
Sonhaji, Muhammad, Abdullah.
"Kaya itu wajib/Muhammad Abdullah Sonhaji".
Yogyakarta:
Qolbun Salim,
2008.
Text.