APA-ийн эшлэл(7 дахь хэвлэлт)

Clandfield, L., & Jeffries, A. (2010). Global :: Pre-Intermediate coursebook (1a. ed.). Macmillan Education.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Clandfield, Lindsay, ба Amanda Jeffries. Global :: Pre-Intermediate Coursebook. 1a. ed. Oxford: Macmillan Education, 2010.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Clandfield, Lindsay, ба Amanda Jeffries. Global :: Pre-Intermediate Coursebook. 1a. ed. Macmillan Education, 2010.