APA-referens

Humphreys, P. (2006). IELTS Express: Upper Intermediate: Listening activities for upper intermediate workbook. London: Thomson.

Chicago-stil citat

Humphreys, Pamela. IELTS Express: Upper Intermediate: Listening Activities for Upper Intermediate Workbook. London: Thomson, 2006.

MLA-referens

Humphreys, Pamela. IELTS Express: Upper Intermediate: Listening Activities for Upper Intermediate Workbook. London: Thomson, 2006.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.