Ruddle, K., & Manshard, W. (1981). Renewable natural resources and the environment: Pressing problems in the developing world. Published for the United Nations University by Tycooly International Pub..
Citace podle Chicago (17th ed.)Ruddle, Kenneth, a Walther Manshard. Renewable Natural Resources and the Environment: Pressing Problems in the Developing World. Dublin: Published for the United Nations University by Tycooly International Pub., 1981.
Citace podle MLA (8th ed.)Ruddle, Kenneth, a Walther Manshard. Renewable Natural Resources and the Environment: Pressing Problems in the Developing World. Published for the United Nations University by Tycooly International Pub., 1981.
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