APA aipamena

Leland Blank. (2002). Engineering economy. Boston, MA: McGraw-Hill.

Chicago Style aipamena

Leland Blank. Engineering Economy. Boston, MA: McGraw-Hill, 2002.

MLA aipamena

Leland Blank. Engineering Economy. Boston, MA: McGraw-Hill, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.