Cita APA (7a ed.)

Tolba, M. K. (1987). Sustainable development: Constraints and opportunities. Butterworths.

Cita Chicago Style (17a ed.)

Tolba, Mostafa Kamal. Sustainable Development: Constraints and Opportunities. London ; Boston: Butterworths, 1987.

Cita MLA (8a ed.)

Tolba, Mostafa Kamal. Sustainable Development: Constraints and Opportunities. Butterworths, 1987.