Dyfyniad APA

(1981). Report Writing For Business / Raymond V. Leiskar. Richard D. Irwin.

Dyfyniad Arddull Chicago

Report Writing For Business / Raymond V. Leiskar. Richard D. Irwin, 1981.

Dyfyniad MLA

Report Writing For Business / Raymond V. Leiskar. Richard D. Irwin, 1981.

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