Hazen, R. M., & Trefil, J. S. (1996). Science matters: The principles of science simply explained. Universities Press.
Lua i Stíl Chicago (17ú heag.)Hazen, Robert M., agus James S. Trefil. Science Matters: The Principles of Science Simply Explained. New York ; New Delhi: Universities Press, 1996.
Lua MLA (8ú heag.)Hazen, Robert M., agus James S. Trefil. Science Matters: The Principles of Science Simply Explained. Universities Press, 1996.
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