APA (7th ed.) Citation

Hapka, C. (2013). Teman-teman yang seru. PT. Gramedia.

Chicago Style (17th ed.) Citation

Hapka, Catherine. Teman-teman Yang Seru. PT. Gramedia, 2013.

MLA (8th ed.) Citation

Hapka, Catherine. Teman-teman Yang Seru. PT. Gramedia, 2013.

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