Philipps, E. (1990). Documentation made easy: A library manual for nongovernmental organizations specializing in appropriate technology and rural development. Friedr, Vieweg & Sohn.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhilipps, Eva. Documentation Made Easy: A Library Manual for Nongovernmental Organizations Specializing in Appropriate Technology and Rural Development. Braunschweig, Wiesbaden: Friedr, Vieweg & Sohn, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhilipps, Eva. Documentation Made Easy: A Library Manual for Nongovernmental Organizations Specializing in Appropriate Technology and Rural Development. Friedr, Vieweg & Sohn, 1990.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.