Stark, E. S. (1969). Special education: A curriculum guide. C. C. Thomas.
Lua i Stíl Chicago (17ú heag.)Stark, Edward S. Special Education: A Curriculum Guide. Springfield, Ill: C. C. Thomas, 1969.
Lua MLA (9ú heag.)Stark, Edward S. Special Education: A Curriculum Guide. C. C. Thomas, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.