Não informado. (1989). Small business economics. Kluwer Academic Publishers.
Style de citation Chicago (17e éd.)Não informado. Small Business Economics. Dordrecht, Holanda: Kluwer Academic Publishers, 1989.
Style de citation MLA (8e éd.)Não informado. Small Business Economics. Kluwer Academic Publishers, 1989.
Attention : ces citations peuvent ne pas être correctes à 100%.