BARKER ALAN. (2010). SUNDAY TIMES IMPROVE YOUR COMMUNICATION SKILLS (2ND.). KOGAN PAGE.
Chicago Style (17th ed.) CitationBARKER ALAN. SUNDAY TIMES IMPROVE YOUR COMMUNICATION SKILLS. 2ND. LONDON: KOGAN PAGE, 2010.
ציטוט MLABARKER ALAN. SUNDAY TIMES IMPROVE YOUR COMMUNICATION SKILLS. 2ND. KOGAN PAGE, 2010.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.