APA استشهاد

Bradley, R. E. b., & Gibson, R. D. . E. b. (1981). Case studies in mathematical modelling. Pentech Press.

استشهاد بنمط شيكاغو

Bradley, R Ed. by, و R D Ed. by Gibson. Case Studies in Mathematical Modelling. London: Pentech Press, 1981.

MLA استشهاد

Bradley, R Ed. by, و R D Ed. by Gibson. Case Studies in Mathematical Modelling. Pentech Press, 1981.