APA (7e ed.) Bronvermelding

Piquet, H. S. (1953). Aid, trade, and the tariff, including a HANDBOOK of major dutiable United States imports. Crowell.

Chicago (17e ed.) Bronvermelding

Piquet, Howard Samuel. Aid, Trade, and the Tariff, Including a HANDBOOK of Major Dutiable United States Imports. New York: Crowell, 1953.

MLA (9e ed.) Bronvermelding

Piquet, Howard Samuel. Aid, Trade, and the Tariff, Including a HANDBOOK of Major Dutiable United States Imports. Crowell, 1953.