Παραπομπή APA

Heller, R. (2002). Manager's handbook: Everything you need to knoe about how business and management work. London: Dorling Kindersley.

Παραπομπή Chicago Style

Heller, Robert. Manager's Handbook: Everything You Need to Knoe About How Business and Management Work. London: Dorling Kindersley, 2002.

Παραπομπή MLA

Heller, Robert. Manager's Handbook: Everything You Need to Knoe About How Business and Management Work. London: Dorling Kindersley, 2002.

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