Gaya APA
KNAPCZYK, D, R., DEVER, R, B. (1997).
Teaching persons with mental retardation .
Madison:
Browns & Bechmark.
Gaya MLA
KNAPCZYK, Dennis, R.., DEVER, Richard, B.
"Teaching persons with mental retardation".
Madison:
Browns & Bechmark,
1997.
Text.