Dyfyniad APA

Kay, F. (1960). Purchasing for Industry and public undertaking. Sir Isaac pitman.

Dyfyniad Arddull Chicago

Kay, F. Purchasing for Industry and Public Undertaking. London: Sir Isaac pitman, 1960.

Dyfyniad MLA

Kay, F. Purchasing for Industry and Public Undertaking. Sir Isaac pitman, 1960.

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