Dyfyniad APA

Aulenback, K. R. (2009). Identification Guide to the Fossil Plants of the Horseshoe Canyon Formation of Drumheller, Alberta. University Of Calgary Press.

Dyfyniad Arddull Chicago

Aulenback, Kevin R. Identification Guide to the Fossil Plants of the Horseshoe Canyon Formation of Drumheller, Alberta. University Of Calgary Press, 2009.

Dyfyniad MLA

Aulenback, Kevin R. Identification Guide to the Fossil Plants of the Horseshoe Canyon Formation of Drumheller, Alberta. University Of Calgary Press, 2009.

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