APA
Gambhir R. S., . (1980). Intoductory physics. Tata McGraw Hill, New Delhi: .
Chicago
Gambhir R S, . 1980. Intoductory physics. Tata McGraw Hill, New Delhi: .
Harvard
Gambhir R. S., . (1980). Intoductory physics. Tata McGraw Hill, New Delhi: .
MLA
Gambhir R S, . Intoductory physics. Tata McGraw Hill, New Delhi: . 1980.