APA (7th ed.) Zitazioa
Greenberg, J. H. (1987). Language in the americas. Stanford University Press.
Chicago Style (17th ed.) Zitazioa
Greenberg, Joseph Harold. Language in the Americas. Stanford, California: Stanford University Press, 1987.
MLA (9th ed.) Zitazioa
Greenberg, Joseph Harold. Language in the Americas. Stanford University Press, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.