APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, & Cashore, B. W. (2001). In search of sustainability: British Columbia forest policy in the 1990s. UBC Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Benjamin William Cashore. In Search of Sustainability: British Columbia Forest Policy in the 1990s. Vancouver: UBC Press, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Benjamin William Cashore. In Search of Sustainability: British Columbia Forest Policy in the 1990s. UBC Press, 2001.
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