Gaya APA
Koening, Larry. (2003).
Smart Diskipline (Cet.1).
Jakarta:
Gramedia Pustaka.
Gaya Chicago
Koening, Larry.
Smart Diskipline.
Cet.1
Jakarta:
Gramedia Pustaka,
2003.
Text.
Gaya MLA
Koening, Larry.
Smart Diskipline.
Cet.1
Jakarta:
Gramedia Pustaka,
2003.
Text.
Gaya Turabian
Koening, Larry.
Smart Diskipline.
Cet.1
Jakarta:
Gramedia Pustaka,
2003.
Print.