Regional Conference for Africa, 6th, Durban, Pells, P. J. N., & Robertson, A. M. G. (1976). Soil mechanics and foundation engineering: Proceedings of the sixth Regional Conference for Africa, Durban, 1975. A. A. Balkema.
Chicago Style aipamenaRegional Conference for Africa, 6th, Durban, P. J. N. Pells, and A. Mac G. Robertson. Soil Mechanics and Foundation Engineering: Proceedings of the Sixth Regional Conference for Africa, Durban, 1975. Cape Town: A. A. Balkema, 1976.
MLA aipamenaRegional Conference for Africa, 6th, Durban, et al. Soil Mechanics and Foundation Engineering: Proceedings of the Sixth Regional Conference for Africa, Durban, 1975. A. A. Balkema, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.