Cita APA (7th ed.)

BISHOP, S. (1999). Assertiveness skills training: A sourcebook of activies.-- ed.1. Viva Books Private Limited.

Cita Chicago (17th ed.)

BISHOP, Sue. Assertiveness Skills Training: A Sourcebook of Activies.-- Ed.1. New Delhi: Viva Books Private Limited, 1999.

Cita MLA (9th ed.)

BISHOP, Sue. Assertiveness Skills Training: A Sourcebook of Activies.-- Ed.1. Viva Books Private Limited, 1999.