APA-viite (7. p.)
EICHINGER, J., & DOWNING , J. (1993). AN ADMINISTRATOR AND TEACHER PERSPECTIVE ON PROGRAM QUALITY INDICATORS FOR STUDENTS WITH SEVERE DISABILITIES.
Chicago-viite (17. p.)
EICHINGER, J., ja J. DOWNING. AN ADMINISTRATOR AND TEACHER PERSPECTIVE ON PROGRAM QUALITY INDICATORS FOR STUDENTS WITH SEVERE DISABILITIES. 1993.
MLA-viite (9. p.)
EICHINGER, J., ja J. DOWNING. AN ADMINISTRATOR AND TEACHER PERSPECTIVE ON PROGRAM QUALITY INDICATORS FOR STUDENTS WITH SEVERE DISABILITIES. 1993.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.