Citazione APA

Govett, G. J. S., & Govett, M. H. (1976). World mineral supplies: Assessment and perspectives. Elsevier.

Stile di citazione Chicago

Govett, G J S., e M H. Govett. World Mineral Supplies: Assessment and Perspectives. Amsterdam: Elsevier, 1976.

Citazione MLA

Govett, G J S., e M H. Govett. World Mineral Supplies: Assessment and Perspectives. Elsevier, 1976.