Shipman, J. T., Todd, A. W., & Wilson, J. D. (1993). An introduction to physical science (7th ed.). D.C. Heath and Co.
Chicago-viite (17. p.)Shipman, James T., Aaron W. Todd, ja Jerry D. Wilson. An Introduction to Physical Science. 7th ed. Lexington, Mass: D.C. Heath and Co, 1993.
MLA-viite (9. p.)Shipman, James T., et al. An Introduction to Physical Science. 7th ed. D.C. Heath and Co, 1993.
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