APA引文

Smith, M. B. (1990). The language of trade. Washington, D.C: U.S. Information Agency.

Trích dẫn kiểu Chicago

Smith, Michael B. The Language of Trade. Washington, D.C: U.S. Information Agency, 1990.

MLA引文

Smith, Michael B. The Language of Trade. Washington, D.C: U.S. Information Agency, 1990.