Ramaswamy, G. S., & Rao, V. V. L. (1971). SI units: Source book. McGraw-Hill.
Chicago Edition CitationRamaswamy, G. S., and V. V. L. Rao. SI Units: Source Book. McGraw-Hill, 1971.
MLA Edition CitationRamaswamy, G. S., and V. V. L. Rao. SI Units: Source Book. McGraw-Hill, 1971.
Warning: These citations may not always be 100% accurate.