Dyfyniad APA

(1991). Surface water drainage for low- income communities. B.R. Publishing Corporation.

Dyfyniad Arddull Chicago

Surface Water Drainage for Low- Income Communities. Delhi: B.R. Publishing Corporation, 1991.

Dyfyniad MLA

Surface Water Drainage for Low- Income Communities. B.R. Publishing Corporation, 1991.

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