Gharajedaghi, J., & Ackoff, R. L. (1986). A prologue to national development planning. Greenwood Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGharajedaghi, Jamshid, और Russell Lincoln Ackoff. A Prologue to National Development Planning. New York: Greenwood Press, 1986.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGharajedaghi, Jamshid, और Russell Lincoln Ackoff. A Prologue to National Development Planning. Greenwood Press, 1986.
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