Böcher, T. W. (1938). Biological distributional types in the flora of Greenland: A study of the flora and plant-geography of south Greenland and Eastgreenland between Cape Farewell and Scoresby Sound. C. A. Reitzels Forlag.
Dyfyniad Arddull ChicagoBöcher, Tyge Wittrock. Biological Distributional Types in the Flora of Greenland: A Study of the Flora and Plant-geography of South Greenland and Eastgreenland Between Cape Farewell and Scoresby Sound. København: C. A. Reitzels Forlag, 1938.
Dyfyniad MLABöcher, Tyge Wittrock. Biological Distributional Types in the Flora of Greenland: A Study of the Flora and Plant-geography of South Greenland and Eastgreenland Between Cape Farewell and Scoresby Sound. C. A. Reitzels Forlag, 1938.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.