Gaya APA
Ridwan, R, M., Sadri, I.
(2014).
Belajar Sabar
.
Bandung:
Muffin Graphics.
Gaya MLA
Ridwan, Rendra, M., Sadri, Idris.
"Belajar Sabar".
Bandung:
Muffin Graphics,
2014.
Text.