Dyfyniad APA

Clark, R. B. 1., Attrill, M., & Frid, C. (1997). Marine pollution (4th ed.). Oxford [England] ; New York: Oxford University Press.

Dyfyniad Arddull Chicago

Clark, R. B. 1923-, Martin Attrill, và Chris Frid. Marine Pollution. 4th ed. Oxford [England] ; New York: Oxford University Press, 1997.

Dyfyniad MLA

Clark, R. B. 1923-, Martin Attrill, và Chris Frid. Marine Pollution. 4th ed. Oxford [England] ; New York: Oxford University Press, 1997.

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