Lua APA (7ú heag.)
Howard, V. F. (1997). Very young children with special needs: A formative approach for the twenty-first century. Merrill.
Lua i Stíl Chicago (17ú heag.)
Howard, Vikki F. Very Young Children with Special Needs: A Formative Approach for the Twenty-first Century. Upper Saddle River: Merrill, 1997.
Lua MLA (9ú heag.)
Howard, Vikki F. Very Young Children with Special Needs: A Formative Approach for the Twenty-first Century. Merrill, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.