BUTTLE, J. (1981). Chemistry, a unified approach. Butterworths.
Tohutoru Kātū Chicago (17th ed.)BUTTLE, J.W. Chemistry, a Unified Approach. London: Butterworths, 1981.
Tohutoro MLA (9th ed.)BUTTLE, J.W. Chemistry, a Unified Approach. Butterworths, 1981.
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