NEUMAN, D. b. (1971). Experiences In Science For Young Children Donald B Neuman. Delmar Publishers Inc.
Lua i Stíl Chicago (17ú heag.)NEUMAN, Donald b. Experiences In Science For Young Children Donald B Neuman. Delmar Publishers Inc, 1971.
Lua MLA (8ú heag.)NEUMAN, Donald b. Experiences In Science For Young Children Donald B Neuman. Delmar Publishers Inc, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.