Dyfyniad APA

Liptak, B. G. (1974). Environmental engineers handbook (3 Vols.): :v.1 water pollution. Chilton book.

Dyfyniad Arddull Chicago

Liptak, Bela G. Environmental Engineers Handbook (3 Vols.): :v.1 Water Pollution. Radnor: Chilton book, 1974.

Dyfyniad MLA

Liptak, Bela G. Environmental Engineers Handbook (3 Vols.): :v.1 Water Pollution. Chilton book, 1974.

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