Busch, R. M., & Tasa, D. (1997). Laboratory manual in physical geology (4th ed.). Upper Saddle River, NJ: Prentice Hall.
Παραπομπή Chicago StyleBusch, Richard M., and Dannis Tasa. Laboratory Manual in Physical Geology. 4th ed. Upper Saddle River, NJ: Prentice Hall, 1997.
Παραπομπή MLABusch, Richard M., and Dannis Tasa. Laboratory Manual in Physical Geology. 4th ed. Upper Saddle River, NJ: Prentice Hall, 1997.
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