Dyfyniad APA

Samuelson, W. F. M. (2003). Managerial economics (4 edition.).

Dyfyniad Arddull Chicago

Samuelson, William F; Marks. Managerial Economics. 4 edition. John Wiley & Sons: New York, 2003.

Dyfyniad MLA

Samuelson, William F; Marks. Managerial Economics. 4 edition. 2003.

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