ROLLINGS, M., & ROLLINGS, M. (1996). Geo Technical Materials In Construction Marian P. Rollings And Raymond S. Rolling And Raymonds Rollings. McGraw-Hill.
Chicago-viite (17. p.)ROLLINGS, Marian, ja Marian ROLLINGS. Geo Technical Materials In Construction Marian P. Rollings And Raymond S. Rolling And Raymonds Rollings. McGraw-Hill, 1996.
MLA-viite (8. p.)ROLLINGS, Marian, ja Marian ROLLINGS. Geo Technical Materials In Construction Marian P. Rollings And Raymond S. Rolling And Raymonds Rollings. McGraw-Hill, 1996.
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