Tohutoro APA (7th ed.)
Kollmann, H. A., & Peel, J. S. (1983). Paleocene Gastropods from Nûgssuaq, West Greenland: By Heinz A. Kollmann and John S. Peel. Grønlands Geologiske Undersøgelse.
Tohutoru Kātū Chicago (17th ed.)
Kollmann, Heinz A., me John S. Peel. Paleocene Gastropods from Nûgssuaq, West Greenland: By Heinz A. Kollmann and John S. Peel. Copenhagen: Grønlands Geologiske Undersøgelse, 1983.
Tohutoro MLA (9th ed.)
Kollmann, Heinz A., me John S. Peel. Paleocene Gastropods from Nûgssuaq, West Greenland: By Heinz A. Kollmann and John S. Peel. Grønlands Geologiske Undersøgelse, 1983.
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