Dyfyniad APA

Wright, F. B. (1939). Rural water supply and sanitation (2.). Wiley Eastern private Limited.

Dyfyniad Arddull Chicago

Wright, Forrest B. Rural Water Supply and Sanitation. 2. Newdelhi: Wiley Eastern private Limited, 1939.

Dyfyniad MLA

Wright, Forrest B. Rural Water Supply and Sanitation. 2. Wiley Eastern private Limited, 1939.

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