APA-ийн эшлэл(7 дахь хэвлэлт)

Harlow, W. M. (1957). Trees of the eastern and central United States and Canada. Dover.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Harlow, William M. Trees of the Eastern and Central United States and Canada. Nueva York: Dover, 1957.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Harlow, William M. Trees of the Eastern and Central United States and Canada. Dover, 1957.