Murrell, J. M., & Kettle, S. F. A. J. (1974). Valence theory (2nd ed.). ELBS and Wiley.
Chicago Style aipamenaMurrell, J M., and S F A Jedder Kettle. Valence Theory. 2nd ed. London: ELBS and Wiley, 1974.
MLA aipamenaMurrell, J M., and S F A Jedder Kettle. Valence Theory. 2nd ed. ELBS and Wiley, 1974.
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