Dyfyniad APA

(1993). Engineering Economy / G.j. Thuesen And W.j. Fabrycky. Prentice-Hall.

Dyfyniad Arddull Chicago

Engineering Economy / G.j. Thuesen And W.j. Fabrycky. Prentice-Hall, 1993.

Dyfyniad MLA

Engineering Economy / G.j. Thuesen And W.j. Fabrycky. Prentice-Hall, 1993.

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