Cartmell, E., & Fowles, G. W. A. (1977). Valency and molecular structure (4th ed.). Butterworths.
Chicago Style (17. basım) AtıfCartmell, E., ve G. W. A. Fowles. Valency and Molecular Structure. 4th ed. London: Butterworths, 1977.
MLA (9th ed.) AtıfCartmell, E., ve G. W. A. Fowles. Valency and Molecular Structure. 4th ed. Butterworths, 1977.
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