Citace podle APA (7th ed.)
Simons, F. S. (1987). Mineral Resources of the Black Rock Wilderness Study Area, Graham County, Arizona. United States Government Print.Office.
Citace podle Chicago (17th ed.)
Simons, Frank Stanton. Mineral Resources of the Black Rock Wilderness Study Area, Graham County, Arizona. Washington: United States Government Print.Office, 1987.
Citace podle MLA (9th ed.)
Simons, Frank Stanton. Mineral Resources of the Black Rock Wilderness Study Area, Graham County, Arizona. United States Government Print.Office, 1987.
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