APA aipamena

Smith, M. B. (1990). The language of trade. New York: United States Information Agency.

Chicago Style aipamena

Smith, Michael B. The Language of Trade. New York: United States Information Agency, 1990.

MLA aipamena

Smith, Michael B. The Language of Trade. New York: United States Information Agency, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.