Cita APA (7th ed.)

Heller, R. (1998). How to delegate. Dorling Kindersley Limited.

Cita Chicago (17th ed.)

Heller, Robert. How to Delegate. London: Dorling Kindersley Limited, 1998.

Cita MLA (9th ed.)

Heller, Robert. How to Delegate. Dorling Kindersley Limited, 1998.