APA-ийн эшлэл(7 дахь хэвлэлт)

Chapman, L. (1967). English grammar and exercises: Book Four: For secondary classes. Longman.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Chapman, L.R.H. English Grammar and Exercises: Book Four: For Secondary Classes. London: Longman, 1967.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Chapman, L.R.H. English Grammar and Exercises: Book Four: For Secondary Classes. Longman, 1967.