APA (7e ed.) Bronvermelding

Dellar, H., & Walkley, A. (2010). Pre-intermediate outcomes: Class audio CDs. Heinle Cengage Learning.

Chicago (17e ed.) Bronvermelding

Dellar, Hugh, en Andrew Walkley. Pre-intermediate Outcomes: Class Audio CDs. Hampshire: Heinle Cengage Learning, 2010.

MLA (9e ed.) Bronvermelding

Dellar, Hugh, en Andrew Walkley. Pre-intermediate Outcomes: Class Audio CDs. Heinle Cengage Learning, 2010.

Let op: Deze citaties zijn niet altijd 100% accuraat.