Pacific Northwest Research Station (Portland, Or.), & Interior Columbia Basin Ecosystem Management Project (U.S.). (1996). Status of the interior Columbia basin summary of scientific findings. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPacific Northwest Research Station (Portland, Or.), और Interior Columbia Basin Ecosystem Management Project (U.S.). Status of the Interior Columbia Basin Summary of Scientific Findings. Portland, Or.: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPacific Northwest Research Station (Portland, Or.), और Interior Columbia Basin Ecosystem Management Project (U.S.). Status of the Interior Columbia Basin Summary of Scientific Findings. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1996.