Cita APA (7a ed.)

Wilson, J. (1990). The barclays guide to international trade for the small business. Blackwell.

Cita Chicago Style (17a ed.)

Wilson, John. The Barclays Guide to International Trade for the Small Business. Oxford: Blackwell, 1990.

Cita MLA (9a ed.)

Wilson, John. The Barclays Guide to International Trade for the Small Business. Blackwell, 1990.