Dyfyniad APA

Thurling, F. (1963). Office practice today. Sir Isaac pitman & sons.

Dyfyniad Arddull Chicago

Thurling, F.C. Office Practice Today. London: Sir Isaac pitman & sons, 1963.

Dyfyniad MLA

Thurling, F.C. Office Practice Today. Sir Isaac pitman & sons, 1963.

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