APA Style
Stephen R. Covey, dkk, Utami Maska. (2009).
02 .
yogyakarta:
Pustaka Baca!.
Chicago Style
Stephen R. Covey, dkk, Utami Maska.
02.
yogyakarta:
Pustaka Baca!,
2009.
Text.
MLA Style
Stephen R. Covey, dkk, Utami Maska.
02.
yogyakarta:
Pustaka Baca!,
2009.
Text.
Turabian Style
Stephen R. Covey, dkk, Utami Maska.
02.
yogyakarta:
Pustaka Baca!,
2009.
Print.