Citazione Stile APA (7a Edizione)

Ledec, G., & Goodland, R. J. A. (1988). Wildlands: Their protection and management in economic development. World Bank.

Citazione stile Chigago Style (17a edizione)

Ledec, George, e Robert J. A. Goodland. Wildlands: Their Protection and Management in Economic Development. Washington, D.C: World Bank, 1988.

Citatione MLA (9a ed.)

Ledec, George, e Robert J. A. Goodland. Wildlands: Their Protection and Management in Economic Development. World Bank, 1988.