APA-ийн эшлэл(7 дахь хэвлэлт)

Root, R. L. (1991). Working at writing: Columnists and critics composing. Southern Illinois University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Root, Robert L. Working at Writing: Columnists and Critics Composing. Carbondale, Ill.: Southern Illinois University Press, 1991.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Root, Robert L. Working at Writing: Columnists and Critics Composing. Southern Illinois University Press, 1991.