Citazione APA

Gopal Chandra Sen & Amitabha Bhattacharya. (1998). Principles of machine tools (2nd ed.). New central Book Agency.

Stile di citazione Chicago

Gopal Chandra Sen e Amitabha Bhattacharya. Principles of Machine Tools. 2nd ed. Calcutta: New central Book Agency, 1998.

Citazione MLA

Gopal Chandra Sen e Amitabha Bhattacharya. Principles of Machine Tools. 2nd ed. New central Book Agency, 1998.