APA (7th ed.) Citation

Riyanto, S. (2007). The 1st Students Choise Toefl. Pustaka Pelajar.

Chicago Style (17th ed.) Citation

Riyanto, Slamet. The 1st Students Choise Toefl. Pustaka Pelajar, 2007.

MLA (8th ed.) Citation

Riyanto, Slamet. The 1st Students Choise Toefl. Pustaka Pelajar, 2007.

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