Gaya APA
Covey, Stephen R. (2015).
The 7 Habbits of Highly Effective People .
Jakarta:
Dunamis Publishing.
Gaya Chicago
Covey, Stephen R.
The 7 Habbits of Highly Effective People.
Jakarta:
Dunamis Publishing,
2015.
Text.
Gaya MLA
Covey, Stephen R.
The 7 Habbits of Highly Effective People.
Jakarta:
Dunamis Publishing,
2015.
Text.
Gaya Turabian
Covey, Stephen R.
The 7 Habbits of Highly Effective People.
Jakarta:
Dunamis Publishing,
2015.
Print.