Citazione Stile APA (7a Edizione)

Tovias, A. (1990). The European communities' single market: The challenge of 1992 for Sub-Saharan Africa. World Bank.

Citazione stile Chigago Style (17a edizione)

Tovias, Alfred. The European Communities' Single Market: The Challenge of 1992 for Sub-Saharan Africa. Washington: World Bank, 1990.

Citatione MLA (9a ed.)

Tovias, Alfred. The European Communities' Single Market: The Challenge of 1992 for Sub-Saharan Africa. World Bank, 1990.