Dyfyniad APA

Weinhold, B. (2011). Alberta’s Oil Sands: Hard Evidence, Missing Data, New Promises. National Institute of Environmental Health Sciences.

Dyfyniad Arddull Chicago

Weinhold, Bob. Alberta’s Oil Sands: Hard Evidence, Missing Data, New Promises. National Institute of Environmental Health Sciences, 2011.

Dyfyniad MLA

Weinhold, Bob. Alberta’s Oil Sands: Hard Evidence, Missing Data, New Promises. National Institute of Environmental Health Sciences, 2011.

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