APA-ийн эшлэл(7 дахь хэвлэлт)

Herwings, M. (1991). Pronunciation tasks: Course for pre-intermediate learners. Cambridge University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Herwings, Martin. Pronunciation Tasks: Course for Pre-intermediate Learners. Cambridge: Cambridge University Press, 1991.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Herwings, Martin. Pronunciation Tasks: Course for Pre-intermediate Learners. Cambridge University Press, 1991.