Roberts, D. G., & Bally, A. W. (2012). Regional geology and tectonics. Elsevier.
Cita Chicago (17th ed.)Roberts, D. G., i A. W. Bally. Regional Geology and Tectonics. Amsterdam, Boston: Elsevier, 2012.
Cita MLA (9th ed.)Roberts, D. G., i A. W. Bally. Regional Geology and Tectonics. Elsevier, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.