Singh, B., & Goal, R. (1999). Rock mass classification: A practical approach in civil engineering (1.). Elsevier.
Chicago Style (17th ed.) CitationSingh, Bhawani, and R.K Goal. Rock Mass Classification: A Practical Approach in Civil Engineering. 1. Amsterdam ; Tokyo: Elsevier, 1999.
MLA (9th ed.) CitationSingh, Bhawani, and R.K Goal. Rock Mass Classification: A Practical Approach in Civil Engineering. 1. Elsevier, 1999.
Warning: These citations may not always be 100% accurate.