Montclair State College. Institute for the Advancement of Philosophy for Children. (1979). Thinking. Institute for the Advancement of Philosophy for Children.
Lua i Stíl Chicago (17ú heag.)Montclair State College. Institute for the Advancement of Philosophy for Children. Thinking. Upper Montclair, N.J.: Institute for the Advancement of Philosophy for Children, 1979.
Lua MLA (9ú heag.)Montclair State College. Institute for the Advancement of Philosophy for Children. Thinking. Institute for the Advancement of Philosophy for Children, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.