Marx, G. (1984). Games nature plays: A reprint collection of essays about science education (Prelim. ed.). Unesco ; Orszagos Oktatastechnikai Kozpont.
Citazione stile Chigago Style (17a edizione)Marx, Gyorgy. Games Nature Plays: A Reprint Collection of Essays About Science Education. Prelim. ed. [Budapest?]: Unesco ; Orszagos Oktatastechnikai Kozpont, 1984.
Citatione MLA (9a ed.)Marx, Gyorgy. Games Nature Plays: A Reprint Collection of Essays About Science Education. Prelim. ed. Unesco ; Orszagos Oktatastechnikai Kozpont, 1984.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.