APA (7th ed.) Citation

Riyanto, S. (2009). Speak English, Please. Pustaka Pelajar.

Chicago Style (17th ed.) Citation

Riyanto, Slamet. Speak English, Please. Pustaka Pelajar, 2009.

MLA (8th ed.) Citation

Riyanto, Slamet. Speak English, Please. Pustaka Pelajar, 2009.

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