Dyfyniad APA

Aubrey, H. G., & Darmstadter, J. (1961). Introduct: Economic challenge and response. National Planning Association.

Dyfyniad Arddull Chicago

Aubrey, Henry G., and Joel Darmstadter. Introduct: Economic Challenge and Response. Washington: National Planning Association, 1961.

Dyfyniad MLA

Aubrey, Henry G., and Joel Darmstadter. Introduct: Economic Challenge and Response. National Planning Association, 1961.

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