APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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