Cita APA (7th ed.)

Heller, R. (2008). Achieving excellence; Influencing people; Balancing work and life. Dorling Kindersley.

Cita Chicago (17th ed.)

Heller, Robert. Achieving Excellence; Influencing People; Balancing Work and Life. London: Dorling Kindersley, 2008.

Cita MLA (9th ed.)

Heller, Robert. Achieving Excellence; Influencing People; Balancing Work and Life. Dorling Kindersley, 2008.