Association of Geoscientists for International Development, Laming, D. J. C., & Ajakaiye, D. E. (1977). New directions in mineral development policies: Report of an international workshop held at Bagauda, near Kano, Nigeia, 8-10 September 1975. Association of Geoscientists for International Development.
Chicago-viite (17. p.)Association of Geoscientists for International Development, D. J. C. Laming, ja D. E. Ajakaiye. New Directions in Mineral Development Policies: Report of an International Workshop Held at Bagauda, Near Kano, Nigeia, 8-10 September 1975. St. Johns Newfoundland: Association of Geoscientists for International Development, 1977.
MLA-viite (9. p.)Association of Geoscientists for International Development, et al. New Directions in Mineral Development Policies: Report of an International Workshop Held at Bagauda, Near Kano, Nigeia, 8-10 September 1975. Association of Geoscientists for International Development, 1977.