Heller, R. (2008). Achieving excellence; Influencing people; Balancing work and life. Dorling Kindersley.
Cita Chicago Style (17a ed.)Heller, Robert. Achieving Excellence; Influencing People; Balancing Work and Life. London: Dorling Kindersley, 2008.
Cita MLA (9a ed.)Heller, Robert. Achieving Excellence; Influencing People; Balancing Work and Life. Dorling Kindersley, 2008.
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