Koch, L. (1929). Stratigraphy of Greenland: <With 8 Fig. in the Text>. Levin & Munksgaard.
Dyfyniad Arddull ChicagoKoch, Lauge. Stratigraphy of Greenland: <With 8 Fig. in the Text>. Copenhagen: Levin & Munksgaard, 1929.
Dyfyniad MLAKoch, Lauge. Stratigraphy of Greenland: <With 8 Fig. in the Text>. Levin & Munksgaard, 1929.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.