Montclair State College. Institute for the Advancement of Philosophy for Children. (1979). Thinking. Institute for the Advancement of Philosophy for Children.
Chicago-referens (17:e uppl.)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.
MLA-referens (9:e uppl.)Montclair State College. Institute for the Advancement of Philosophy for Children. Thinking. Institute for the Advancement of Philosophy for Children, 1979.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.