Alt, D. D., & Hyndman, D. W. (1973). Rocks, ice & water: The geology of Waterton-Glacier Park. Mountain Press Pub. Co.
Cita Chicago Style (17a ed.)Alt, David D., y Donald W. Hyndman. Rocks, Ice & Water: The Geology of Waterton-Glacier Park. Missoula, Mont.: Mountain Press Pub. Co, 1973.
Cita MLA (8a ed.)Alt, David D., y Donald W. Hyndman. Rocks, Ice & Water: The Geology of Waterton-Glacier Park. Mountain Press Pub. Co, 1973.
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