Tohutoro APA (7th ed.)
Gudmunsson, B., Thordarson, T., & Hunold, J. (1965). Island. Nagel.
Tohutoru Kātū Chicago (17th ed.)
Gudmunsson, Bjarni, Thorleifur Thordarson, me Joachim Hunold. Island. Genf, [Paris], München: Nagel, 1965.
Tohutoro MLA (9th ed.)
Gudmunsson, Bjarni, et al. Island. Nagel, 1965.
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