Ricketts Taylor Howard, Daily Gretchen Cara, Ehrlich Paul Ralph, Michener Charles Duncan, & National Academy of Sciences. Economic value of tropical forest to coffee production.
Chicago-viite (17. p.)Ricketts Taylor Howard, Daily Gretchen Cara, Ehrlich Paul Ralph, Michener Charles Duncan, ja National Academy of Sciences. Economic Value of Tropical Forest to Coffee Production.
MLA-viite (9. p.)Ricketts Taylor Howard, et al. Economic Value of Tropical Forest to Coffee Production.
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