Heller, R. (2008). Achieving excellence; Influencing people; Balancing work and life. Dorling Kindersley.
Citace podle Chicago (17th ed.)Heller, Robert. Achieving Excellence; Influencing People; Balancing Work and Life. London: Dorling Kindersley, 2008.
Citace podle MLA (9th ed.)Heller, Robert. Achieving Excellence; Influencing People; Balancing Work and Life. Dorling Kindersley, 2008.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..