(1974). Science for kindergarten: Teacher's guide (Preliminary ed.). Science Curriculum Improvement Study.
Lua i Stíl Chicago (17ú heag.)Science for Kindergarten: Teacher's Guide. Preliminary ed. Berkeley, CA: Science Curriculum Improvement Study, 1974.
Lua MLA (9ú heag.)Science for Kindergarten: Teacher's Guide. Preliminary ed. Science Curriculum Improvement Study, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.