APA (7th ed.) Zitazioa
Roebuck, C. (1966). The world of ancient times. Charles Scribner's sons.
Chicago Style (17th ed.) Zitazioa
Roebuck, Carl. The World of Ancient Times. New York: Charles Scribner's sons, 1966.
MLA (9th ed.) Zitazioa
Roebuck, Carl. The World of Ancient Times. Charles Scribner's sons, 1966.
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