Dyfyniad APA

Pacey, A. (1978). Sanitation in developing countries. John Wiley and Sons.

Dyfyniad Arddull Chicago

Pacey, A. Sanitation in Developing Countries. New York: John Wiley and Sons, 1978.

Dyfyniad MLA

Pacey, A. Sanitation in Developing Countries. John Wiley and Sons, 1978.

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