APA (7e ed.) Bronvermelding

Johansen, H. E. (1987). Mineral resource development: Geopolitics, economics, and policy. Westview Press.

Chicago (17e ed.) Bronvermelding

Johansen, Harley E. Mineral Resource Development: Geopolitics, Economics, and Policy. Boulder, CO: Westview Press, 1987.

MLA (9e ed.) Bronvermelding

Johansen, Harley E. Mineral Resource Development: Geopolitics, Economics, and Policy. Westview Press, 1987.