Dyfyniad APA

Tushingham, F. (1956). Course in business economics and commerce/9e (9th ed.). Sir Isaac Pitman & Sons.

Dyfyniad Arddull Chicago

Tushingham, F.P. Course in Business Economics and Commerce/9e. 9th ed. London: Sir Isaac Pitman & Sons, 1956.

Dyfyniad MLA

Tushingham, F.P. Course in Business Economics and Commerce/9e. 9th ed. Sir Isaac Pitman & Sons, 1956.

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