APA-ийн эшлэл(7 дахь хэвлэлт)

KITTREDGE, G. L. (1970). Chaucer and his poetry fifty- fifth anniversary. Harvard U.P..

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

KITTREDGE, George Lyman. Chaucer and His Poetry Fifty- Fifth Anniversary. Cambridge: Harvard U.P., 1970.

MLA -ийн эшлэл (9 дэх хэвлэлт)

KITTREDGE, George Lyman. Chaucer and His Poetry Fifty- Fifth Anniversary. Harvard U.P., 1970.