Citazione Stile APA (7a Edizione)

Northcott, W. H. (1977). Curriculum guide: Hearing-impaired children, birth to three years, and their parents (Rev. ed.). Alexander Graham Bell Association for the Deaf.

Citazione stile Chigago Style (17a edizione)

Northcott, Winifred H. Curriculum Guide: Hearing-impaired Children, Birth to Three Years, and Their Parents. Rev. ed. Washington, D.C: Alexander Graham Bell Association for the Deaf, 1977.

Citatione MLA (9a ed.)

Northcott, Winifred H. Curriculum Guide: Hearing-impaired Children, Birth to Three Years, and Their Parents. Rev. ed. Alexander Graham Bell Association for the Deaf, 1977.