Pregel, B., Lasswell, H. D., & McHale, J. (1975). Environment and society in transition: World priorities. New York: New York Academy of Sciences.
Παραπομπή Chicago StylePregel, Boris, Harold D. Lasswell, and John McHale. Environment and Society in Transition: World Priorities. New York: New York Academy of Sciences, 1975.
Παραπομπή MLAPregel, Boris, Harold D. Lasswell, and John McHale. Environment and Society in Transition: World Priorities. New York: New York Academy of Sciences, 1975.
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