Gaya APA
Covay, S, R. et al
(2013).
The Wisdom and Teaching of Stephen R. Covay
.
Jakarta:
Dunamis Intra Sarana.
Gaya MLA
Covay, Stephen, R.. et al.
"The Wisdom and Teaching of Stephen R. Covay".
Jakarta:
Dunamis Intra Sarana,
2013.
Text.