Perkins, D., & Henke, K. R. (2004). Minerals in thin section (Second edition.). Pearson/Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Perkins, Dexter, agus Kevin R. Henke. Minerals in Thin Section. Second edition. Upper Saddle River, N.J: Pearson/Prentice Hall, 2004.
Lua MLA (9ú heag.)Perkins, Dexter, agus Kevin R. Henke. Minerals in Thin Section. Second edition. Pearson/Prentice Hall, 2004.
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