Ruddle, K. (1981). Renewable natural resources and the environment: Pressing problems in the developing world. Tycooly International Pub. Ltd.
Citace podle Chicago (17th ed.)Ruddle, Kenneth. Renewable Natural Resources and the Environment: Pressing Problems in the Developing World. Dublin: Tycooly International Pub. Ltd, 1981.
Citace podle MLA (9th ed.)Ruddle, Kenneth. Renewable Natural Resources and the Environment: Pressing Problems in the Developing World. Tycooly International Pub. Ltd, 1981.
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