Washington State University. Extension Service & Wichers, H. E. (1950). Minimum standards for good farm houses located in the state of Washington.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWashington State University. Extension Service और Henry Evert Wichers. Minimum Standards for Good Farm Houses Located in the State of Washington. Pullman, Wash, 1950.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWashington State University. Extension Service और Henry Evert Wichers. Minimum Standards for Good Farm Houses Located in the State of Washington. 1950.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.