Citace podle APA (7th ed.)

Singh, B., & Goel, R. K. (2011). Engineering rock mass classification: Tunnelling, foundations, and landslides. Butterworth-Heinemann.

Citace podle Chicago (17th ed.)

Singh, Bhawani, a R. K. Goel. Engineering Rock Mass Classification: Tunnelling, Foundations, and Landslides. Burlington, Mass.: Butterworth-Heinemann, 2011.

Citace podle MLA (9th ed.)

Singh, Bhawani, a R. K. Goel. Engineering Rock Mass Classification: Tunnelling, Foundations, and Landslides. Butterworth-Heinemann, 2011.

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