Council for Exceptional Children. Division for Children's Communication Development & Pro-Ed (Firm). (1999). Communication disorders quarterly. Pro-Ed.
Cita Chicago (17th ed.)Council for Exceptional Children. Division for Children's Communication Development i Pro-Ed (Firm). Communication Disorders Quarterly. Austin, TX: Pro-Ed, 1999.
Cita MLA (9th ed.)Council for Exceptional Children. Division for Children's Communication Development i Pro-Ed (Firm). Communication Disorders Quarterly. Pro-Ed, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.