APA (7e ed.) Bronvermelding

Marx, G. (1984). Games nature plays: A reprint collection of essays about science education (Prelim. ed.). Unesco ; Orszagos Oktatastechnikai Kozpont.

Chicago (17e ed.) Bronvermelding

Marx, Gyorgy. Games Nature Plays: A Reprint Collection of Essays About Science Education. Prelim. ed. [Budapest?]: Unesco ; Orszagos Oktatastechnikai Kozpont, 1984.

MLA (9e ed.) Bronvermelding

Marx, Gyorgy. Games Nature Plays: A Reprint Collection of Essays About Science Education. Prelim. ed. Unesco ; Orszagos Oktatastechnikai Kozpont, 1984.