United States. National Resources Committee. (1936). Regional planning: Part I - Pacific Northwest ... May, 1936. Govt. Print. Off..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited States. National Resources Committee. Regional Planning: Part I - Pacific Northwest ... May, 1936. Washington: Govt. Print. Off., 1936.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnited States. National Resources Committee. Regional Planning: Part I - Pacific Northwest ... May, 1936. Govt. Print. Off., 1936.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.