Gaya APA
Covey,Stephen R.. (2009).
The 7 habits of highly effective people .
New York:
RosettaBooks.
Gaya Chicago
Covey,Stephen R..
The 7 habits of highly effective people.
New York:
RosettaBooks,
2009.
Non-fiction.
Gaya MLA
Covey,Stephen R..
The 7 habits of highly effective people.
New York:
RosettaBooks,
2009.
Non-fiction.
Gaya Turabian
Covey,Stephen R..
The 7 habits of highly effective people.
New York:
RosettaBooks,
2009.
Non-fiction.