Columbia University. School of Library Service. (1959). Outline for the course in current problems in the technical services libraries (Library service s279) (2nd ed.).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रColumbia University. School of Library Service. Outline for the Course in Current Problems in the Technical Services Libraries (Library Service S279). 2nd ed. New York, 1959.
एमएलए (9वां संस्करण) प्रशस्ति पत्रColumbia University. School of Library Service. Outline for the Course in Current Problems in the Technical Services Libraries (Library Service S279). 2nd ed. 1959.
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