APA-ийн эшлэл(7 дахь хэвлэлт)

Fries, C. (1945). Teaching and learning english as a foreing languaje. University of Michigan.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Fries, Charles. Teaching and Learning English as a Foreing Languaje. Ann Arbor: University of Michigan, 1945.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Fries, Charles. Teaching and Learning English as a Foreing Languaje. University of Michigan, 1945.