Dyfyniad APA

BARKER,ALAN. (2010). IMPROVE YOUR COMMUNICATION SKILL. KOGAN PAGE LTD.

Dyfyniad Arddull Chicago

BARKER,ALAN. IMPROVE YOUR COMMUNICATION SKILL. NEW-YORK: KOGAN PAGE LTD, 2010.

Dyfyniad MLA

BARKER,ALAN. IMPROVE YOUR COMMUNICATION SKILL. KOGAN PAGE LTD, 2010.

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