Dyfyniad APA

Zehetmayr, J. (1960). Afforestation of upland heaths. Her Majesty's Stationery Office.

Dyfyniad Arddull Chicago

Zehetmayr, J.W.L. Afforestation of Upland Heaths. Edinburgh: Her Majesty's Stationery Office, 1960.

Dyfyniad MLA

Zehetmayr, J.W.L. Afforestation of Upland Heaths. Her Majesty's Stationery Office, 1960.

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