Davis, R., & Davis, H. (2011). Our mark on this land: A guide to the legacy of the Civilian Conservation Corps in America's parks. McDonald & Woodward Pub. Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDavis, Ren, और Helen Davis. Our Mark on This Land: A Guide to the Legacy of the Civilian Conservation Corps in America's Parks. Granville, Ohio: McDonald & Woodward Pub. Co., 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDavis, Ren, और Helen Davis. Our Mark on This Land: A Guide to the Legacy of the Civilian Conservation Corps in America's Parks. McDonald & Woodward Pub. Co., 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.