Dyfyniad APA

Wright, F. B. (1956). Rural water supply and sanitation (2d ed.). Wiley.

Dyfyniad Arddull Chicago

Wright, Forrest Blythe. Rural Water Supply and Sanitation. 2d ed. New York: Wiley, 1956.

Dyfyniad MLA

Wright, Forrest Blythe. Rural Water Supply and Sanitation. 2d ed. Wiley, 1956.

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