Gaya APA
Yusuf, R, M. (2005).
Motivate Your Self: Alamku Kampusku Alamku Guruku .
Yogyakarta:
Ridwan Motivation House Publishing.
Gaya MLA
Yusuf, Ridwan, Muhammad.
"Motivate Your Self: Alamku Kampusku Alamku Guruku".
Yogyakarta:
Ridwan Motivation House Publishing,
2005.
Text.