Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.