APA

Ramaswamy G. S. R. V. V. L., . (1971). SI units: A sourcebook. : TATA McGraw-Hill Publishing Co., New Delhi.

Chicago

Ramaswamy G S Rao V V L, . 1971. SI units: A sourcebook. : TATA McGraw-Hill Publishing Co., New Delhi.

Harvard

Ramaswamy G. S. R. V. V. L., . (1971). SI units: A sourcebook. : TATA McGraw-Hill Publishing Co., New Delhi.

MLA

Ramaswamy G S Rao V V L, . SI units: A sourcebook. : TATA McGraw-Hill Publishing Co., New Delhi. 1971.