Dyfyniad APA

Eschenbach, T. (1995). Engineering economy: Applying theory to practice. Chicago: Irwin.

Dyfyniad Arddull Chicago

Eschenbach, Ted. Engineering Economy: Applying Theory to Practice. Chicago: Irwin, 1995.

Dyfyniad MLA

Eschenbach, Ted. Engineering Economy: Applying Theory to Practice. Chicago: Irwin, 1995.

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