Regional Conference for Africa Accra, Ghana, Gidigasu, M. D., Hammond, A. A., & Gogo, J. O. (1980). Soil mechanics and foundation engineering: Seventh Regional Conference for Africa. A.A. Balkema.
Chicago Style (17. basım) AtıfRegional Conference for Africa Accra, Ghana, M. D. Gidigasu, A. A. Hammond, ve J. O. Gogo. Soil Mechanics and Foundation Engineering: Seventh Regional Conference for Africa. Rotterdam: A.A. Balkema, 1980.
MLA (8th ed.) AtıfRegional Conference for Africa Accra, Ghana, et al. Soil Mechanics and Foundation Engineering: Seventh Regional Conference for Africa. A.A. Balkema, 1980.
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