APA-ийн эшлэл(7 дахь хэвлэлт)

YORKEY, R. C. (1970). Study skills for students of english as a second language. McGraw-Hill Book.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

YORKEY, Richard C. Study Skills for Students of English as a Second Language. New York: McGraw-Hill Book, 1970.

MLA -ийн эшлэл (9 дэх хэвлэлт)

YORKEY, Richard C. Study Skills for Students of English as a Second Language. McGraw-Hill Book, 1970.