APA-ийн эшлэл(7 дахь хэвлэлт)

John Jackman. (2011). Comprehension: Introductory Pupil Book (Collins Primary Focus) (Revised ed.). HarperCollins UK.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

John Jackman. Comprehension: Introductory Pupil Book (Collins Primary Focus). Revised ed. HarperCollins UK, 2011.

MLA -ийн эшлэл (9 дэх хэвлэлт)

John Jackman. Comprehension: Introductory Pupil Book (Collins Primary Focus). Revised ed. HarperCollins UK, 2011.