Dyfyniad APA

Bridgwater, A. V., & Mumford, C. J. (1979). Waste recycling and pollution control handbook. Van Nostrand Reinhold.

Dyfyniad Arddull Chicago

Bridgwater, A. V., and C. J. Mumford. Waste Recycling and Pollution Control Handbook. New York: Van Nostrand Reinhold, 1979.

Dyfyniad MLA

Bridgwater, A. V., and C. J. Mumford. Waste Recycling and Pollution Control Handbook. Van Nostrand Reinhold, 1979.

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