CHURCHILL, R. AMAZING SCIENCE EXPERIMENTS WITH EVERYDAY MATERIALS. GOODWILL PUB HOUSE.
Čikaški stil citiranja (17. izdanje)CHURCHILL, RICHARD. AMAZING SCIENCE EXPERIMENTS WITH EVERYDAY MATERIALS. NEW DELHI: GOODWILL PUB HOUSE.
MLA način citiranja (9. izdanje)CHURCHILL, RICHARD. AMAZING SCIENCE EXPERIMENTS WITH EVERYDAY MATERIALS. GOODWILL PUB HOUSE.
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