Owen, O. S. (1980). Natural resource conservation: An ecological approach (3rd ed.). Macmillan.
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Chicago Style (17th ed.) Citation
Owen, Oliver S. Natural Resource Conservation: An Ecological Approach. 3rd ed. London: Macmillan, 1980.
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ציטוט MLA
Owen, Oliver S. Natural Resource Conservation: An Ecological Approach. 3rd ed. Macmillan, 1980.
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