APA (7th ed.) Citation

Riyanto, S., NH, L., & NH, E. (2009). A complete grammar for TOEFL preparation: Skor TOEFL dapat merubah karir Anda. Pustaka Pelajar.

Chicago Style (17th ed.) Citation

Riyanto, Slamet, Leila NH, and Emilia NH. A Complete Grammar for TOEFL Preparation: Skor TOEFL Dapat Merubah Karir Anda. Pustaka Pelajar, 2009.

MLA (8th ed.) Citation

Riyanto, Slamet, et al. A Complete Grammar for TOEFL Preparation: Skor TOEFL Dapat Merubah Karir Anda. Pustaka Pelajar, 2009.