Dyfyniad APA
Kiely, G. (1975). Environmental Engineering. Tata McGraw-Hill.
Dyfyniad Arddull Chicago
Kiely, Gerard. Environmental Engineering. New Delhi: Tata McGraw-Hill, 1975.
Dyfyniad MLA
Kiely, Gerard. Environmental Engineering. Tata McGraw-Hill, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.