APA Style
Mahmud, A, A, H.
(2010).
Rukun Ikhlas
.
Surakarta:
PT. Era Adicitra Intermedia.
MLA Style
Mahmud, Ali, Abdul, Halim.
"Rukun Ikhlas".
Surakarta:
PT. Era Adicitra Intermedia,
2010.
Textbook.