Dyfyniad APA

Barnes, D., & Wilson. F. (1976). The Design and Operation of Small Sewage Works. E. and F.N. Spoon.

Dyfyniad Arddull Chicago

Barnes, D., and Wilson. F. The Design and Operation of Small Sewage Works. London: E. and F.N. Spoon, 1976.

Dyfyniad MLA

Barnes, D., and Wilson. F. The Design and Operation of Small Sewage Works. E. and F.N. Spoon, 1976.

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