Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Regional Conference for Africa, 6th, Durban, P. J. N. Pells, και 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.

Παραπομπή σε μορφή MLA (8th εκδ.)

Regional 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.