Stokes, W. L. (1966). Essentials of earth history: An introduction to historical geology. Englewood Cliffs, N. J.: Prentice-Hall.
Chicago-stil citatStokes, William Lee. Essentials of Earth History: An Introduction to Historical Geology. Englewood Cliffs, N. J.: Prentice-Hall, 1966.
MLA-referensStokes, William Lee. Essentials of Earth History: An Introduction to Historical Geology. Englewood Cliffs, N. J.: Prentice-Hall, 1966.
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