Gaya APA
Kok, E, J.
(2008).
The Ultimate Question : Knowing What You Want and Go For it
.
SURABAYA:
Enerjik Kharisma.
Gaya MLA
Kok, Erni, Julia.
"The Ultimate Question : Knowing What You Want and Go For it".
SURABAYA:
Enerjik Kharisma,
2008.
Text.