APA-ийн эшлэл(7 дахь хэвлэлт)

Capel, Annette and Ireland, Sue. (2000). Ket practice test: With answer. Oxford University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Capel, Annette and Ireland, Sue. Ket Practice Test: With Answer. Oxford: Oxford University Press, 2000.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Capel, Annette and Ireland, Sue. Ket Practice Test: With Answer. Oxford University Press, 2000.