Carlton, K., & Parkinson, E. (1994). Physical sciences: A primary teacher's guide. Cassell.
Čikaški stil citiranja (17. izdanje)Carlton, Kevin, i Eric Parkinson. Physical Sciences: A Primary Teacher's Guide. London ; New York: Cassell, 1994.
MLA način citiranja (8. izdanje)Carlton, Kevin, i Eric Parkinson. Physical Sciences: A Primary Teacher's Guide. Cassell, 1994.
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