DAS, B. a. M. (1970). Differential calculus. U.N. Dhur.
Chicago Style (17th ed.) ZitazioaDAS, B.C. and MUKHERJEE. Differential Calculus. Calcutta: U.N. Dhur, 1970.
MLA (9th ed.) ZitazioaDAS, B.C. and MUKHERJEE. Differential Calculus. U.N. Dhur, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.