APA (7e ed.) Bronvermelding

COX, K. (1974). An introduction to the practical study of crystals, minerals and rocks. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

COX, K.G. An Introduction to the Practical Study of Crystals, Minerals and Rocks. London: McGraw-Hill, 1974.

MLA (9e ed.) Bronvermelding

COX, K.G. An Introduction to the Practical Study of Crystals, Minerals and Rocks. McGraw-Hill, 1974.