Dyfyniad APA

Blank, L. (2005). Engineering EconomyLeland Blank and Anthony Tarquin. McGraw-Hill.

Dyfyniad Arddull Chicago

Blank, Leland. Engineering EconomyLeland Blank and Anthony Tarquin. McGraw-Hill, 2005.

Dyfyniad MLA

Blank, Leland. Engineering EconomyLeland Blank and Anthony Tarquin. McGraw-Hill, 2005.

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