.Demʹi͡anov, V. F., .Rubinov, A. M., & .Kranc, G. M. (1970). Approximate methods in optimization problems (2th. ed.). American Elsevier Pub. Co..
Citação norma Chicago.Demʹi͡anov, Vladimir F., Aleksandr M. .Rubinov, and George M. .Kranc. Approximate Methods in Optimization Problems. 2th. ed. New York: American Elsevier Pub. Co., 1970.
Citação norma MLA.Demʹi͡anov, Vladimir F., et al. Approximate Methods in Optimization Problems. 2th. ed. American Elsevier Pub. Co., 1970.