Williams, D. H., & Fleming, I. (1995). Spectroscopic methods in organic chemistry (5th ed.). McGraw-Hill Publishing Company.

Williams, Dudley H., and Ian Fleming. Spectroscopic Methods in Organic Chemistry. 5th ed. London: McGraw-Hill Publishing Company, 1995.

Williams, Dudley H., and Ian Fleming. Spectroscopic Methods in Organic Chemistry. 5th ed. McGraw-Hill Publishing Company, 1995.