Cartmell , E., & Fowles , G. .. W. .. A. (1977). Valency and molecular structure (4ed.). Butterworth and Co publishers Ltd.
Chicago Edition CitationCartmell , E., i G . W . A. Fowles. Valency and Molecular Structure. 4ed. London: Butterworth and Co publishers Ltd, 1977.
Cita MLACartmell , E., i G . W . A. Fowles. Valency and Molecular Structure. 4ed. Butterworth and Co publishers Ltd, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.