Não informado. (1965). Business Economics. National Association of Business Economists.
Style de citation Chicago (17e éd.)Não informado. Business Economics. Cleveland, Ohio: National Association of Business Economists, 1965.
Style de citation MLA (8e éd.)Não informado. Business Economics. National Association of Business Economists, 1965.
Attention : ces citations peuvent ne pas être correctes à 100%.