Style de citation APA (7e éd.)

Não informado. (1970). Commerce today. U.S. Department of Commerce.

Style de citation Chicago (17e éd.)

Não informado. Commerce Today. Washington: U.S. Department of Commerce, 1970.

Style de citation MLA (8e éd.)

Não informado. Commerce Today. U.S. Department of Commerce, 1970.

Attention : ces citations peuvent ne pas être correctes à 100%.