Merkoša sitáhtat
APA-čujuhus (7. p.)
Cross, A., & Bowden, A. (2009). Essential primary science. Open University Press.
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Chicago-čujuhus (17. p.)
Cross, Alan, juo Adrian Bowden. Essential Primary Science. Maidenhead: Open University Press, 2009.
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MLA-čujuhus (9. p.)
Cross, Alan, juo Adrian Bowden. Essential Primary Science. Open University Press, 2009.
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