1. Andrews, J. 1984. Peppers: the domesticated Capsicums. University of Texas Press, Austin.
2. Bennett, D. J. and G. W. Kirby. 1968. Constitution and biosynthesis of capsaicin. J. Chem. Soc. C: 442–446.
3. Bosland, P. W. and E. J. Votava. 2000. Peppers: vegetable and spice capsicums. CABI Publishing, New York.
4. Boswell, V. R. 1937. Improvement and genetics of tomatoes, peppers, and eggplant. p. 176–206. In: H. A. Wallace (ed.). Yearbook of Agriculture. United States Government Printing Office, Washington.
5. Eshbaugh, W. H. 1993. Peppers: history and exploitation of a serendipitous new crop discovery. p. 132–139. In: J. Janick and J. E. Simon (eds.). New crops. Wiley, New York.