Gaya APA
D.W., N, R. et al
(2008).
99 Ideas for Happy Leader
(
Cet. 1)
.
Bandung:
Zip Books.
Gaya MLA
D.W., Nana, Rukmana. et al.
"99 Ideas for Happy Leader".
Cet. 1
Bandung:
Zip Books,
2008.
Text.