Rice, D. (1993). An ecology manual for upland farmers. Philippine Uplands Resource Center, De La Salle University.
Citace podle Chicago (17th ed.)Rice, Delbert. An Ecology Manual for Upland Farmers. Manila: Philippine Uplands Resource Center, De La Salle University, 1993.
Citace podle MLA (9th ed.)Rice, Delbert. An Ecology Manual for Upland Farmers. Philippine Uplands Resource Center, De La Salle University, 1993.
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