Gaya APA
Covey, S, R.
(2013).
THE 7 HABITS OF HIGHLY EFFECTIVE PEOPLE
(
cet 1)
.
Tangerang:
binarupa aksara.
Gaya MLA
Covey, Stephen, R..
"THE 7 HABITS OF HIGHLY EFFECTIVE PEOPLE".
cet 1
Tangerang:
binarupa aksara,
2013.
Text.