Gaya APA
Petersen, L.
(2004).
Bagaimana memotivasi anak belajar stop and think learning
.
Jakarta:
PT. Gramedia.
Gaya MLA
Petersen, Lindy.
"Bagaimana memotivasi anak belajar stop and think learning".
Jakarta:
PT. Gramedia,
2004.
Text.