Gaya APA
Covey, Stephen R.. (2004).
The 8th Habit from Effectiveness to Greatness .
London:
Simon & Schuster.
Gaya Chicago
Covey, Stephen R..
The 8th Habit from Effectiveness to Greatness.
London:
Simon & Schuster,
2004.
Text.
Gaya MLA
Covey, Stephen R..
The 8th Habit from Effectiveness to Greatness.
London:
Simon & Schuster,
2004.
Text.
Gaya Turabian
Covey, Stephen R..
The 8th Habit from Effectiveness to Greatness.
London:
Simon & Schuster,
2004.
Print.