Oregon State University. Extension Service, Washington State University. Cooperative Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension Service, & University of Idaho. Cooperative Extension System. (1985). Pacific Northwest weed control handbook. [Extension Services of Oregon State University, Washington State University, and the University of Idaho].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOregon State University. Extension Service, Washington State University. Cooperative Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension Service, और University of Idaho. Cooperative Extension System. Pacific Northwest Weed Control Handbook. Corvallis, Or.: [Extension Services of Oregon State University, Washington State University, and the University of Idaho], 1985.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOregon State University. Extension Service, et al. Pacific Northwest Weed Control Handbook. [Extension Services of Oregon State University, Washington State University, and the University of Idaho], 1985.