Dyfyniad APA

Frailey, L. (1982). Handbook of business letters (2nd.). Super book house.

Dyfyniad Arddull Chicago

Frailey, L. Handbook of Business Letters. 2nd. Bombay: Super book house, 1982.

Dyfyniad MLA

Frailey, L. Handbook of Business Letters. 2nd. Super book house, 1982.

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