Dyfyniad APA

Vesilind, P. A. (1990). Environmental pollution and control. London: Butterworth-Heinemann.

Dyfyniad Arddull Chicago

Vesilind, P. Aarne. Environmental Pollution and Control. London: Butterworth-Heinemann, 1990.

Dyfyniad MLA

Vesilind, P. Aarne. Environmental Pollution and Control. London: Butterworth-Heinemann, 1990.

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