APA

Smith M. B., Blakeslee R., . (1994). The Language of trade. : U. S. Information Agency.

Chicago

Smith M B, Blakeslee R, . 1994. The Language of trade. : U. S. Information Agency.

Harvard

Smith M. B., Blakeslee R., . (1994). The Language of trade. : U. S. Information Agency.

MLA

Smith M B, Blakeslee R, . The Language of trade. : U. S. Information Agency. 1994.