lekachman, r., & novack, d. E. (1964). Development and society the dynamics of economic change. st martin's press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रlekachman, robert, और david E. novack. Development and Society the Dynamics of Economic Change. new york: st martin's press, 1964.
एमएलए (9वां संस्करण) प्रशस्ति पत्रlekachman, robert, और david E. novack. Development and Society the Dynamics of Economic Change. st martin's press, 1964.