Dyfyniad APA

Parker, H. W. (1975). Wastewater Systems Engineering Homer Parker W. Prentice-Hall.

Dyfyniad Arddull Chicago

Parker, Homer W. Wastewater Systems Engineering Homer Parker W. Prentice-Hall, 1975.

Dyfyniad MLA

Parker, Homer W. Wastewater Systems Engineering Homer Parker W. Prentice-Hall, 1975.

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