Cita APA

Cunningham, S., & Bowler, B. (1994). Headway: Intermediate Pronunciation. Thanh Hóa: Thanh Hóa.

Chicago Style Citation

Cunningham, Sarah., i Bill Bowler. Headway: Intermediate Pronunciation. Thanh Hóa: Thanh Hóa, 1994.

Cita MLA

Cunningham, Sarah., i Bill Bowler. Headway: Intermediate Pronunciation. Thanh Hóa: Thanh Hóa, 1994.

Atenció: Aquestes cites poden no estar 100% correctes.