Cartmell, E., & Fowles, G. W. A. (1977). Valency and molecular structure. Butterworths.
Čikaški stil citiranjaCartmell, E., i G W A. Fowles. Valency and Molecular Structure. London: Butterworths, 1977.
MLA način citiranjaCartmell, E., i G W A. Fowles. Valency and Molecular Structure. Butterworths, 1977.
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