Dyfyniad APA
Hedge, C. E., Harrison, J. E., & Peterman, Z. E. (1986). The Precambrian of the Rocky Mountain region: Lithology, distribution, correlation, and isotope ages of exposed Precambrian rocks in the Rocky Mountain region. U.S. Government Print. Office.
Dyfyniad Arddull Chicago
Hedge, Carl E., Jack E. Harrison, and Zell E. Peterman. The Precambrian of the Rocky Mountain Region: Lithology, Distribution, Correlation, and Isotope Ages of Exposed Precambrian Rocks in the Rocky Mountain Region. Washington: U.S. Government Print. Office, 1986.
Dyfyniad MLA
Hedge, Carl E., et al. The Precambrian of the Rocky Mountain Region: Lithology, Distribution, Correlation, and Isotope Ages of Exposed Precambrian Rocks in the Rocky Mountain Region. U.S. Government Print. Office, 1986.
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