Food and Agriculture Organization of the United Nations. Working Group on Forest Insects and Diseases, Davidson, A. G., & Prentice, R. M. (1967). Important forest insects and diseases of mutual concern to Canada, the United States and Mexico. Queen's Printer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFood and Agriculture Organization of the United Nations. Working Group on Forest Insects and Diseases, A. G. Davidson, और R. M. Prentice. Important Forest Insects and Diseases of Mutual Concern to Canada, the United States and Mexico. [Ottawa: Queen's Printer, 1967.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFood and Agriculture Organization of the United Nations. Working Group on Forest Insects and Diseases, et al. Important Forest Insects and Diseases of Mutual Concern to Canada, the United States and Mexico. Queen's Printer, 1967.