Dyfyniad APA

Tasa, A. (1998). Biological leaching of shales: Black shale and oil shale. Tartu University Press.

Dyfyniad Arddull Chicago

Tasa, Andrus. Biological Leaching of Shales: Black Shale and Oil Shale. Tartu: Tartu University Press, 1998.

Dyfyniad MLA

Tasa, Andrus. Biological Leaching of Shales: Black Shale and Oil Shale. Tartu University Press, 1998.

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