APA (7th ed.) Citation
BRYEN, D., & ET AL. (1989). SIGN LANGUAGE WITH STUDENTS WITH SEVERE / PROFOUND MENTAL RETARDATION: HOW EFFECTIVE IS IT?
Chicago Style (17th ed.) Citation
BRYEN, D.N, and ET AL. SIGN LANGUAGE WITH STUDENTS WITH SEVERE / PROFOUND MENTAL RETARDATION: HOW EFFECTIVE IS IT? 1989.
MLA (9th ed.) Citation
BRYEN, D.N, and ET AL. SIGN LANGUAGE WITH STUDENTS WITH SEVERE / PROFOUND MENTAL RETARDATION: HOW EFFECTIVE IS IT? 1989.
Warning: These citations may not always be 100% accurate.