Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

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