Spokane River Basin Depollution Policy Committee. (1972). Plan of action for an environmental quality management for the Spokane River basin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpokane River Basin Depollution Policy Committee. Plan of Action for an Environmental Quality Management for the Spokane River Basin. Spokane, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSpokane River Basin Depollution Policy Committee. Plan of Action for an Environmental Quality Management for the Spokane River Basin. 1972.
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