GUPTA I.C. (1988). TEXT BOOK OF ENGG. METROLOGY. DHANPAT RAI & SONS.
Chicago-čujuhus (17. p.)GUPTA I.C. TEXT BOOK OF ENGG. METROLOGY. DELHI: DHANPAT RAI & SONS, 1988.
MLA-čujuhus (9. p.)GUPTA I.C. TEXT BOOK OF ENGG. METROLOGY. DHANPAT RAI & SONS, 1988.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.