APA (7e ed.) Bronvermelding

Dellar, H., & Walkley, A. (2016). Outcomes: Pre.Intermediate Class DVD-ROM. National Geographic Learning Cengage Learning.

Chicago (17e ed.) Bronvermelding

Dellar, Hugh, en Andrew Walkley. Outcomes: Pre.Intermediate Class DVD-ROM. United Kingdom: National Geographic Learning Cengage Learning, 2016.

MLA (9e ed.) Bronvermelding

Dellar, Hugh, en Andrew Walkley. Outcomes: Pre.Intermediate Class DVD-ROM. National Geographic Learning Cengage Learning, 2016.

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