APA
Peter M Blackwell[et al], . (1978). Sentences and other systems : a language and learning curriculum for hearning-impaired children. The Alexander Graham Bell Asso. for Deaf,Inc., Washington: .
Chicago
Peter M Blackwell[et al], . 1978. Sentences and other systems : a language and learning curriculum for hearning-impaired children. The Alexander Graham Bell Asso. for Deaf,Inc., Washington: .
Harvard
Peter M Blackwell[et al], . (1978). Sentences and other systems : a language and learning curriculum for hearning-impaired children. The Alexander Graham Bell Asso. for Deaf,Inc., Washington: .
MLA
Peter M Blackwell[et al], . Sentences and other systems : a language and learning curriculum for hearning-impaired children. The Alexander Graham Bell Asso. for Deaf,Inc., Washington: . 1978.