APA Citation

Yamaguchi, K., Fitriani, & Wihelmina Novita. (2011). Happy: Hello work at age 21 (Cet. 1.). Jakarta: Elex Media Komputindo.

Chicago Style Citation

Yamaguchi, Katsumi, Fitriani, and Wihelmina Novita. Happy: Hello Work At Age 21. Cet. 1. Jakarta: Elex Media Komputindo, 2011.

MLA Citation

Yamaguchi, Katsumi, Fitriani, and Wihelmina Novita. Happy: Hello Work At Age 21. Cet. 1. Jakarta: Elex Media Komputindo, 2011.

Warning: These citations may not always be 100% accurate.