Cita APA

Davidson,, J. (1998). Complete idiot's guide to Assertiveness (1st.). Prentice-Hall.

Citación estilo Chicago

Davidson,, Jeff. Complete Idiot's Guide to Assertiveness. 1st. New Delhi: Prentice-Hall, 1998.

Cita MLA

Davidson,, Jeff. Complete Idiot's Guide to Assertiveness. 1st. Prentice-Hall, 1998.