APA Citation

Riyanto, S. (2011). Easy Toefl Test English As A Foreign Language. Pustaka Pelajar.

Chicago Style Citation

Riyanto, Slamet. Easy Toefl Test English As A Foreign Language. Pustaka Pelajar, 2011.

MLA Citation

Riyanto, Slamet. Easy Toefl Test English As A Foreign Language. Pustaka Pelajar, 2011.

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