Dyfyniad APA

(1994). Environmental indicators and shellfish safety. New York: Chapman & Hall.

Dyfyniad Arddull Chicago

Environmental Indicators and Shellfish Safety. New York: Chapman & Hall, 1994.

Dyfyniad MLA

Environmental Indicators and Shellfish Safety. New York: Chapman & Hall, 1994.

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