Παραπομπή APA

Mackay, I. A. (2000). Listening skills (2.).

Παραπομπή Chicago Style

Mackay, Ian; Author. Listening Skills. 2. Hyderabad, Universities Press (India) Ltd, 2000.

Παραπομπή MLA

Mackay, Ian; Author. Listening Skills. 2. 2000.