Saigal, J. . C., & Tinbergen, J. (1965). The choice of sectors and regions: With a foreword by J. Tinbergen. Rotterdam University Press.
Chicago Style (17. basım) AtıfSaigal, J C., ve Jan Tinbergen. The Choice of Sectors and Regions: With a Foreword by J. Tinbergen. Rotterdam: Rotterdam University Press, 1965.
MLA (9th ed.) AtıfSaigal, J C., ve Jan Tinbergen. The Choice of Sectors and Regions: With a Foreword by J. Tinbergen. Rotterdam University Press, 1965.
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