APA
Bickman L. (. &. W. D. L. (., . (1986). Evaluating early intervention programs for severely handicapped children and their families. Pro-ed, Austin: .
Chicago
Bickman Leonard (ed) & Weatherford David L (ed), . 1986. Evaluating early intervention programs for severely handicapped children and their families. Pro-ed, Austin: .
Harvard
Bickman L. (. &. W. D. L. (., . (1986). Evaluating early intervention programs for severely handicapped children and their families. Pro-ed, Austin: .
MLA
Bickman Leonard (ed) & Weatherford David L (ed), . Evaluating early intervention programs for severely handicapped children and their families. Pro-ed, Austin: . 1986.