APA (7th ed.) Citation

ah, C. K. (2017). Please Be Polite. Elex Media Komputindo.

Chicago Style (17th ed.) Citation

ah, Cheon Keun. Please Be Polite. Elex Media Komputindo, 2017.

MLA (8th ed.) Citation

ah, Cheon Keun. Please Be Polite. Elex Media Komputindo, 2017.

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