Kraus, E. H., & Hunt, W. F. (1920). Mineralogy: An introduction to the study of minerals and crystals. McGraw-Hill Book Co..
Chicago-viite (17. p.)Kraus, Edward Henry, ja Walter Fred Hunt. Mineralogy: An Introduction to the Study of Minerals and Crystals. New York [etc.]: McGraw-Hill Book Co., 1920.
MLA-viite (8. p.)Kraus, Edward Henry, ja Walter Fred Hunt. Mineralogy: An Introduction to the Study of Minerals and Crystals. McGraw-Hill Book Co., 1920.
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