APA Style

Judith A. Cooper, PH.D. (). Research Needs In Stuttering: Roadblocks and Future Directions . : American Speech-Language-Hearing Association, Rockville, Maryland, April 1990.

Chicago Style

Judith A. Cooper, PH.D. Research Needs In Stuttering: Roadblocks and Future Directions. : American Speech-Language-Hearing Association, Rockville, Maryland, April 1990, . Text.

MLA Style

Judith A. Cooper, PH.D. Research Needs In Stuttering: Roadblocks and Future Directions. : American Speech-Language-Hearing Association, Rockville, Maryland, April 1990, . Text.

Turabian Style

Judith A. Cooper, PH.D. Research Needs In Stuttering: Roadblocks and Future Directions. : American Speech-Language-Hearing Association, Rockville, Maryland, April 1990, . Print.