Gaya APA
Covey, Stephen R. (2004).
The 8th Habit From Effectiveness to Greatness .
London:
Simon and Schuster.
Gaya Chicago
Covey, Stephen R.
The 8th Habit From Effectiveness to Greatness.
London:
Simon and Schuster,
2004.
Texts.
Gaya MLA
Covey, Stephen R.
The 8th Habit From Effectiveness to Greatness.
London:
Simon and Schuster,
2004.
Texts.
Gaya Turabian
Covey, Stephen R.
The 8th Habit From Effectiveness to Greatness.
London:
Simon and Schuster,
2004.
Texts.