Dyfyniad APA

Blank, L. (1998). Engineering Economy Leland Blank, Anthony Tarquin. McGraw-Hill.

Dyfyniad Arddull Chicago

Blank, Leland. Engineering Economy Leland Blank, Anthony Tarquin. McGraw-Hill, 1998.

Dyfyniad MLA

Blank, Leland. Engineering Economy Leland Blank, Anthony Tarquin. McGraw-Hill, 1998.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.