Dyfyniad APA

Risebrough, R. W., & De Lappe, B. (1972). Accumulation of Polychlorinated Biphenyls in Ecosystems.

Dyfyniad Arddull Chicago

Risebrough, Robert W., and Brock De Lappe. Accumulation of Polychlorinated Biphenyls in Ecosystems. 1972.

Dyfyniad MLA

Risebrough, Robert W., and Brock De Lappe. Accumulation of Polychlorinated Biphenyls in Ecosystems. 1972.

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