Gaya APA
Petty, G., Wahyudi, H. (1997).
How to Be Better At Creativity: Memaksimalkan Potensi Kreatif .
Jakarta:
Gramedia.
Gaya MLA
Petty, Geoffrey., Wahyudi, Hari.
"How to Be Better At Creativity: Memaksimalkan Potensi Kreatif".
Jakarta:
Gramedia,
1997.
Text.