Dyfyniad APA

DEGARMO, E. P. (1993). Engineering economy /E. Paul Degarmo, William G. Sullivan and James Bontadelli. MacMillan Publishing Co.

Dyfyniad Arddull Chicago

DEGARMO, E. Paul. Engineering Economy /E. Paul Degarmo, William G. Sullivan and James Bontadelli. MacMillan Publishing Co, 1993.

Dyfyniad MLA

DEGARMO, E. Paul. Engineering Economy /E. Paul Degarmo, William G. Sullivan and James Bontadelli. MacMillan Publishing Co, 1993.

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