MCGRAW-HILL DICTIONARY. (2003). McGraw-Hill dictionary of geology and mineralogy.-- ed.2. McGraw-Hill.
Cita Chicago (17th ed.)MCGRAW-HILL DICTIONARY. McGraw-Hill Dictionary of Geology and Mineralogy.-- Ed.2. New York: McGraw-Hill, 2003.
Cita MLA (9th ed.)MCGRAW-HILL DICTIONARY. McGraw-Hill Dictionary of Geology and Mineralogy.-- Ed.2. McGraw-Hill, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.