Littlefield, C. L., & Rachel, F. (1971). Office and administrative management ; systems analysis, data processing, and office services. Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLittlefield, Cleatice L., और Frank Rachel. Office and Administrative Management ; Systems Analysis, Data Processing, and Office Services. englewood Cliffs, N. J: Prentice-Hall, 1971.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLittlefield, Cleatice L., और Frank Rachel. Office and Administrative Management ; Systems Analysis, Data Processing, and Office Services. Prentice-Hall, 1971.
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