Dyfyniad APA

Engineers, A. A. o. C. (1987). Mechanical Estimating Guidebook For Building Construction Editor John Gladstone, Kenneth K. Humpreys. McGraw-Hill.

Dyfyniad Arddull Chicago

Engineers, American Association of Cost. Mechanical Estimating Guidebook For Building Construction Editor John Gladstone, Kenneth K. Humpreys. McGraw-Hill, 1987.

Dyfyniad MLA

Engineers, American Association of Cost. Mechanical Estimating Guidebook For Building Construction Editor John Gladstone, Kenneth K. Humpreys. McGraw-Hill, 1987.

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