Cita APA (7th ed.)

Bird, P. (1998). Time management. NTC/Contemporary Publishing.

Cita Chicago (17th ed.)

Bird, Polly. Time Management. Lincolnwood (Chicago), Ill: NTC/Contemporary Publishing, 1998.

Cita MLA (9th ed.)

Bird, Polly. Time Management. NTC/Contemporary Publishing, 1998.