Petikan APA

Bernard, T., & Young, J. M. (1997). The ecology of hope: Communities collaborate for sustainability. Gabriola Island, B.C., Canada ; East Haven, CT: New Society Publishers.

Petikan Gaya Chicago

Bernard, Ted., and Jora M. Young. The Ecology of Hope: Communities Collaborate for Sustainability. Gabriola Island, B.C., Canada ; East Haven, CT: New Society Publishers, 1997.

Petikan MLA

Bernard, Ted., and Jora M. Young. The Ecology of Hope: Communities Collaborate for Sustainability. Gabriola Island, B.C., Canada ; East Haven, CT: New Society Publishers, 1997.

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