Dyfyniad APA

Ziska, L. H., & Dukes, J. S. (2011). Weed biology and climate change. Wiley-Blackwell.

Dyfyniad Arddull Chicago

Ziska, Lewis H., and Jeffrey S. Dukes. Weed Biology and Climate Change. Ames, Iowa, USA: Wiley-Blackwell, 2011.

Dyfyniad MLA

Ziska, Lewis H., and Jeffrey S. Dukes. Weed Biology and Climate Change. Wiley-Blackwell, 2011.

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