CAMPBELL ANDREW. (1993). WAKE UP & SHAKE UP YOUR COMPANY. PITMAN PUBLICATIONS.
Chicago-čujuhus (17. p.)CAMPBELL ANDREW. WAKE UP & SHAKE UP YOUR COMPANY. LONDON: PITMAN PUBLICATIONS, 1993.
MLA-čujuhus (9. p.)CAMPBELL ANDREW. WAKE UP & SHAKE UP YOUR COMPANY. PITMAN PUBLICATIONS, 1993.
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