एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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