APA
Bhatia M. L., . (1989). A textbook of engineering mathematics. Everest, Pune: .
Chicago
Bhatia M L, . 1989. A textbook of engineering mathematics. Everest, Pune: .
Harvard
Bhatia M. L., . (1989). A textbook of engineering mathematics. Everest, Pune: .
MLA
Bhatia M L, . A textbook of engineering mathematics. Everest, Pune: . 1989.