Dyfyniad APA

Gamber. Positive Pollutions and Cultural Toxins. University of Nebraska Press.

Dyfyniad Arddull Chicago

Gamber. Positive Pollutions and Cultural Toxins. University of Nebraska Press.

Dyfyniad MLA

Gamber. Positive Pollutions and Cultural Toxins. University of Nebraska Press.

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