Yuill, D., & Allen, K. (1981). Regional development agencies in Europe: An overview. Centre for the Study of Public Policy.
Chicago Style (17. basım) AtıfYuill, Douglas, ve Kevin Allen. Regional Development Agencies in Europe: An Overview. Strathclyde: Centre for the Study of Public Policy, 1981.
MLA (9th ed.) AtıfYuill, Douglas, ve Kevin Allen. Regional Development Agencies in Europe: An Overview. Centre for the Study of Public Policy, 1981.
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