Sproule, J. M. (1980). Argument: Language and its influence. McGraw-Hill.
Chicago Style aipamenaSproule, J. Michael. Argument: Language and Its Influence. New York: McGraw-Hill, 1980.
MLA aipamenaSproule, J. Michael. Argument: Language and Its Influence. McGraw-Hill, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.