.Blank, L. T., & Tarquin, A. (1983). Engineering economy (6th. ed.). McGraw-Hill.
Chicago-čujuhus (17. p.).Blank, Leland T., juo Anthony Tarquin. Engineering Economy. 6th. ed. Boston: McGraw-Hill, 1983.
MLA-čujuhus (9. p.).Blank, Leland T., juo Anthony Tarquin. Engineering Economy. 6th. ed. McGraw-Hill, 1983.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.