APA aipamena

Razaq, O. (2010). Test your own toefl score, uji skor toefl anda. Pustaka Widyatama.

Chicago Style aipamena

Razaq, Octa. Test Your Own Toefl Score, Uji Skor Toefl Anda. Pustaka Widyatama, 2010.

MLA aipamena

Razaq, Octa. Test Your Own Toefl Score, Uji Skor Toefl Anda. Pustaka Widyatama, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.