Resner, H. A. (1938). Trees and men. Works Progress Administration, State Administrative Office, Division of Education and Recreation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रResner, Herbert A. Trees and Men. Seattle, Wash.: Works Progress Administration, State Administrative Office, Division of Education and Recreation, 1938.
एमएलए (8वां संस्करण) प्रशस्ति पत्रResner, Herbert A. Trees and Men. Works Progress Administration, State Administrative Office, Division of Education and Recreation, 1938.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.