APA aipamena

Pei, M. (1949). The story of language. New York: New American Library.

Chicago Style aipamena

Pei, Mario. The Story of Language. New York: New American Library, 1949.

MLA aipamena

Pei, Mario. The Story of Language. New York: New American Library, 1949.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.