(East-West Environment and Policy Institute (Honolulu, Hawaii, & .Carpenter, R. A. (1983). Natural systems for development: What planners need to know. Macmillan ; Collier Macmillan.
Παραπομπή σε μορφή Chicago (17η εκδ.)(East-West Environment and Policy Institute (Honolulu, Hawaii, και Richard A. .Carpenter. Natural Systems for Development: What Planners Need to Know. New York : London: Macmillan ; Collier Macmillan, 1983.
Παραπομπή σε μορφή MLA (9th εκδ.)(East-West Environment and Policy Institute (Honolulu, Hawaii, και Richard A. .Carpenter. Natural Systems for Development: What Planners Need to Know. Macmillan ; Collier Macmillan, 1983.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.