Lipman, M. (1981). Pixie. Institute for the Advancement of Philosophy for Children.
Citazione stile Chigago Style (17a edizione)Lipman, Matthew. Pixie. Upper Montclair, N.J: Institute for the Advancement of Philosophy for Children, 1981.
Citatione MLA (9a ed.)Lipman, Matthew. Pixie. Institute for the Advancement of Philosophy for Children, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.
