Society for Policy Modeling. Journal of policy modeling: A social science forum of world issues. North-Holland.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSociety for Policy Modeling. Journal of Policy Modeling: A Social Science Forum of World Issues. [Amsterdam]: North-Holland.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSociety for Policy Modeling. Journal of Policy Modeling: A Social Science Forum of World Issues. North-Holland.
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