Ivantcho, B. (1983). Position descriptions in special libraries: A collection of examples. Special Libraries Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIvantcho, Barbara. Position Descriptions in Special Libraries: A Collection of Examples. New York: Special Libraries Association, 1983.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIvantcho, Barbara. Position Descriptions in Special Libraries: A Collection of Examples. Special Libraries Association, 1983.
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