AGER, D. (1961). Introducing geology: The earth's crust considered as history. Faber and Faber.
Citace podle Chicago (17th ed.)AGER, D.V. Introducing Geology: The Earth's Crust Considered as History. London: Faber and Faber, 1961.
Citace podle MLA (9th ed.)AGER, D.V. Introducing Geology: The Earth's Crust Considered as History. Faber and Faber, 1961.
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