ALI (Mon)/ BOULDEN (George), . (2002). Successful Managers Handbook. : Dorling Kindersley London.
ALI (Mon)/ BOULDEN (George), . 2002. Successful Managers Handbook. : Dorling Kindersley London.
ALI (Mon)/ BOULDEN (George), . Successful Managers Handbook. : Dorling Kindersley London. 2002.
