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Lua i Stíl Chicago (17ú heag.)Puri, G. S., R. K. Gupta, agus V. M. Meher-Homji. Forest Ecology: Plant Form, Function and Ecology. Vol. 2. 2nd ed. New Delhi: Oxford & IBH Publishing Co., 1989.
Lua MLA (9ú heag.)Puri, G. S., et al. Forest Ecology: Plant Form, Function and Ecology. Vol. 2. 2nd ed. Oxford & IBH Publishing Co., 1989.
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