Rural Telecommunications. National Telecommunications Cooperative Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRural Telecommunications. National Telecommunications Cooperative Association.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRural Telecommunications. National Telecommunications Cooperative Association.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.