Cole, G. D. H. (1964). The meaning of Marxism. University of Michigan Press.
Lua i Stíl Chicago (17ú heag.)Cole, G. D. H. The Meaning of Marxism. Ann Arbor, Mich.: University of Michigan Press, 1964.
Lua MLA (8ú heag.)Cole, G. D. H. The Meaning of Marxism. University of Michigan Press, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.