Shipman, J. T. (2013). An introduction to physical science. Singapore: Brooks/Cole, Cengage Learning.
Chicago-tyylinen lähdeviittausShipman, James T. An Introduction to Physical Science. Singapore: Brooks/Cole, Cengage Learning, 2013.
MLA-viiteShipman, James T. An Introduction to Physical Science. Singapore: Brooks/Cole, Cengage Learning, 2013.
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