Rymer, K. (1951). Red alder in british columbia. Department of resources and development, Forest Branch.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRymer, K.W. Red Alder in British Columbia. Canada: Department of resources and development, Forest Branch, 1951.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRymer, K.W. Red Alder in British Columbia. Department of resources and development, Forest Branch, 1951.
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