Cita APA (7a ed.)

Adair, J. E., & Allen, M. (2003). Concise Time Management & Personal Development. Thorogood Publishing Ltd.

Cita Chicago Style (17a ed.)

Adair, John Eric, y Melanie Allen. Concise Time Management & Personal Development. Thorogood Publishing Ltd, 2003.

Cita MLA (8a ed.)

Adair, John Eric, y Melanie Allen. Concise Time Management & Personal Development. Thorogood Publishing Ltd, 2003.