Dyfyniad APA

(1979). Urban Storm Drainage Proceeding Of The International Conference Held At The University Of Southampton, April 1978 Edited By P.r. Helliwell. Pentech Press Ltd.

Dyfyniad Arddull Chicago

Urban Storm Drainage Proceeding Of The International Conference Held At The University Of Southampton, April 1978 Edited By P.r. Helliwell. Pentech Press Ltd, 1979.

Dyfyniad MLA

Urban Storm Drainage Proceeding Of The International Conference Held At The University Of Southampton, April 1978 Edited By P.r. Helliwell. Pentech Press Ltd, 1979.

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