Clawson, M. 1. . e. (1964). Natural resources and international development: Essays by D. Gale Johnson and others. Johns Hopkins Press.
Cita Chicago (17th ed.)Clawson, Marion 1905- ed. Natural Resources and International Development: Essays by D. Gale Johnson and Others. Baltimore: Johns Hopkins Press, 1964.
Cita MLA (9th ed.)Clawson, Marion 1905- ed. Natural Resources and International Development: Essays by D. Gale Johnson and Others. Johns Hopkins Press, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.