(1980). Library of Congress filing rules / prepared by John C. Rather and Susan C. Biebel, Processing Services.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLibrary of Congress Filing Rules / Prepared by John C. Rather and Susan C. Biebel, Processing Services. 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLibrary of Congress Filing Rules / Prepared by John C. Rather and Susan C. Biebel, Processing Services. 1980.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.