Gaya APA
DOUGLAS. (2005).
HOW TO MAKE A HABIT OF SUCCEEDING .
Jakarta:
Gramedia Pustaka Utama.
Gaya Chicago
DOUGLAS.
HOW TO MAKE A HABIT OF SUCCEEDING.
Jakarta:
Gramedia Pustaka Utama,
2005.
Text.
Gaya MLA
DOUGLAS.
HOW TO MAKE A HABIT OF SUCCEEDING.
Jakarta:
Gramedia Pustaka Utama,
2005.
Text.
Gaya Turabian
DOUGLAS.
HOW TO MAKE A HABIT OF SUCCEEDING.
Jakarta:
Gramedia Pustaka Utama,
2005.
Print.