APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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