APA-ийн эшлэл(7 дахь хэвлэлт)

Eastwood, J. (2006). Oxford practice grammar intermediate with answers. Oxford University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Eastwood, John. Oxford Practice Grammar Intermediate with Answers. Inglaterra: Oxford University Press, 2006.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Eastwood, John. Oxford Practice Grammar Intermediate with Answers. Oxford University Press, 2006.