Cita APA

David A Hough. (1993). Telephone skills: Essential telephone English. Oxford: Heinemann.

Chicago Style Citation

David A Hough. Telephone Skills: Essential Telephone English. Oxford: Heinemann, 1993.

Cita MLA

David A Hough. Telephone Skills: Essential Telephone English. Oxford: Heinemann, 1993.

Atenció: Aquestes cites poden no estar 100% correctes.