APA aipamena

Blank, L. T. (2005). Engineering economy. Boston: McGraw-Hill.

Chicago Style aipamena

Blank, Leland T. Engineering Economy. Boston: McGraw-Hill, 2005.

MLA aipamena

Blank, Leland T. Engineering Economy. Boston: McGraw-Hill, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.