Gaya APA

Watanabe, K. (). Problim solving 101: A simple book for smart people (Cet. 1). Jakarta: PT Elex Media Komputindo.

Gaya MLA

Watanabe, Kensuke. "Problim solving 101: A simple book for smart people". Cet. 1 Jakarta: PT Elex Media Komputindo, . .