APA-referens (7:e uppl.)
Jacobsen, N. Remains of mosses and freshwater animals in some holocene lake and bog sediments from Greenland.
Chicago-referens (17:e uppl.)
Jacobsen, Niels. Remains of Mosses and Freshwater Animals in Some Holocene Lake and Bog Sediments from Greenland.
MLA-referens (9:e uppl.)
Jacobsen, Niels. Remains of Mosses and Freshwater Animals in Some Holocene Lake and Bog Sediments from Greenland.
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