Cita APA (7th ed.)

Blunden, J. (1985). Mineral resources and their management. Longman.

Cita Chicago (17th ed.)

Blunden, John. Mineral Resources and Their Management. London: Longman, 1985.

Cita MLA (9th ed.)

Blunden, John. Mineral Resources and Their Management. Longman, 1985.