Dyfyniad APA

Roberts, N. (2014). Holocene: An environmental history (Third edition.). Wiley Blackwell.

Dyfyniad Arddull Chicago

Roberts, Neil. Holocene: An Environmental History. Third edition. Chichester, England: Wiley Blackwell, 2014.

Dyfyniad MLA

Roberts, Neil. Holocene: An Environmental History. Third edition. Wiley Blackwell, 2014.

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