Aubrey, H. G., & Darmstadter, J. (1961). Introduct: Economic challenge and response. National Planning Association.
Chicago Style (17. basım) AtıfAubrey, Henry G., ve Joel Darmstadter. Introduct: Economic Challenge and Response. Washington: National Planning Association, 1961.
MLA (9th ed.) AtıfAubrey, Henry G., ve Joel Darmstadter. Introduct: Economic Challenge and Response. National Planning Association, 1961.
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