APA-ийн эшлэл(7 дахь хэвлэлт)

Babcock, R. H. (1974). Gompers in Canada: A study in American continentalism before the First World War. University of Toronto Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Babcock, Robert H. Gompers in Canada: A Study in American Continentalism Before the First World War. Toronto ; Buffalo: University of Toronto Press, 1974.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Babcock, Robert H. Gompers in Canada: A Study in American Continentalism Before the First World War. University of Toronto Press, 1974.