Cita APA

The International English School. (2007). TOEFL next generation IBT internet based TOEFL: Student Book.

Chicago Style Citation

The International English School. TOEFL Next Generation IBT Internet Based TOEFL: Student Book. 2007.

Cita MLA

The International English School. TOEFL Next Generation IBT Internet Based TOEFL: Student Book. 2007.

Atenció: Aquestes cites poden no estar 100% correctes.