APA (7th ed.) Zitazioa
Greer, T. H. (1982). A brief history of the Western world (4th.ed.). HBJ.
Chicago Style (17th ed.) Zitazioa
Greer, Thomas H. A Brief History of the Western World. 4th.ed. New York: HBJ, 1982.
MLA (9th ed.) Zitazioa
Greer, Thomas H. A Brief History of the Western World. 4th.ed. HBJ, 1982.
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