Singh, A., & Chowdhary, G. R. (1994). Soil engineering in theory and practice: Volume 2 : geotechnical testing and instrumentation (2nd ed.). CBS Publishers & Distributors.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Singh, Alam, ба G. R. Chowdhary. Soil Engineering in Theory and Practice: Volume 2 : Geotechnical Testing and Instrumentation. 2nd ed. New Delhi: CBS Publishers & Distributors, 1994.
MLA -ийн эшлэл (9 дэх хэвлэлт)Singh, Alam, ба G. R. Chowdhary. Soil Engineering in Theory and Practice: Volume 2 : Geotechnical Testing and Instrumentation. 2nd ed. CBS Publishers & Distributors, 1994.
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