Dyfyniad APA

Marshall, R. C., & Forbush, R. D. W. (1975). Business Economics, Principles and Cases (5th ed.). Richard,D. Irwin.

Dyfyniad Arddull Chicago

Marshall, R. Colberg, and R. Dascomb Whitaker Forbush. Business Economics, Principles and Cases. 5th ed. Illinois: Richard,D. Irwin, 1975.

Dyfyniad MLA

Marshall, R. Colberg, and R. Dascomb Whitaker Forbush. Business Economics, Principles and Cases. 5th ed. Richard,D. Irwin, 1975.

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