GLOVER, D. (1999). YOUNG DISCOVERERS FLYING AND FLOATING SCIENCE WITH AIR AND WATER.
Chicago-viite (17. p.)GLOVER, DAVID. YOUNG DISCOVERERS FLYING AND FLOATING SCIENCE WITH AIR AND WATER. 1999.
MLA-viite (9. p.)GLOVER, DAVID. YOUNG DISCOVERERS FLYING AND FLOATING SCIENCE WITH AIR AND WATER. 1999.
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