Govett, G. J. S., & Govett, M. H. (1976). World mineral supplies: Assessment and perspective. Elsevier Scientific Pub. Co..
Chicagoスタイル(17版)引用形式Govett, G. J. S., , M. H. Govett. World Mineral Supplies: Assessment and Perspective. Amsterdam ; New York: Elsevier Scientific Pub. Co., 1976.
MLA(8版)引用形式Govett, G. J. S., , M. H. Govett. World Mineral Supplies: Assessment and Perspective. Elsevier Scientific Pub. Co., 1976.
警告: この引用は必ずしも正確ではありません.