Montclair State College. Institute for the Advancement of Philosophy for Children. (1979). Thinking. Institute for the Advancement of Philosophy for Children.
Čikaški stil citiranja (17. izdanje)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 način citiranja (9. izdanje)Montclair State College. Institute for the Advancement of Philosophy for Children. Thinking. Institute for the Advancement of Philosophy for Children, 1979.
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