APA (7. basım) Alıntı

Dellar, H., & Walkley, A. (2017). Outcomes. Advanced class DVD-ROM. National Gaographic Learning Cengage Learning.

Chicago Style (17. basım) Atıf

Dellar, Hugh, ve Andrew Walkley. Outcomes. Advanced Class DVD-ROM. United Kingdom: National Gaographic Learning Cengage Learning, 2017.

MLA (9th ed.) Atıf

Dellar, Hugh, ve Andrew Walkley. Outcomes. Advanced Class DVD-ROM. National Gaographic Learning Cengage Learning, 2017.