APA Style
Covey, Sean. (2008).
The 6 Most Important Decisions You'll Ever Make .
Tangerang:
Karisma.
Chicago Style
Covey, Sean.
The 6 Most Important Decisions You'll Ever Make.
Tangerang:
Karisma,
2008.
Text.
MLA Style
Covey, Sean.
The 6 Most Important Decisions You'll Ever Make.
Tangerang:
Karisma,
2008.
Text.
Turabian Style
Covey, Sean.
The 6 Most Important Decisions You'll Ever Make.
Tangerang:
Karisma,
2008.
Print.