Zapata, A. G. (1972). An instrument for measuring the science interests of grade school children.
Čikaški stil citiranja (17. izdanje)Zapata, Asuncion G. An Instrument for Measuring the Science Interests of Grade School Children. 1972.
MLA način citiranja (9. izdanje)Zapata, Asuncion G. An Instrument for Measuring the Science Interests of Grade School Children. 1972.
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