.Demʹi͡anov, V. F., .Rubinov, A. M., & .Kranc, G. M. (1970). Approximate methods in optimization problems (2th. ed.). American Elsevier Pub. Co..
Παραπομπή σε μορφή Chicago (17η εκδ.).Demʹi͡anov, Vladimir F., Aleksandr M. .Rubinov, και George M. .Kranc. Approximate Methods in Optimization Problems. 2th. ed. New York: American Elsevier Pub. Co., 1970.
Παραπομπή σε μορφή MLA (9th εκδ.).Demʹi͡anov, Vladimir F., et al. Approximate Methods in Optimization Problems. 2th. ed. American Elsevier Pub. Co., 1970.