BLANK, L. T., & TARQUIN, A. J. (1998). Engineering economy.-- Ed.4. McGraw-Hill International.
Chicago-čujuhus (17. p.)BLANK, Leland T., juo Anthony J. TARQUIN. Engineering Economy.-- Ed.4. Singapore: McGraw-Hill International, 1998.
MLA-čujuhus (9. p.)BLANK, Leland T., juo Anthony J. TARQUIN. Engineering Economy.-- Ed.4. McGraw-Hill International, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.