SHEN, T. T., & SHEN, T. T. (1995). Industrial Pollution Prevention Thomas T. Shen. Springer.
Lua i Stíl Chicago (17ú heag.)SHEN, Thomas T., agus Thomas T. SHEN. Industrial Pollution Prevention Thomas T. Shen. Springer, 1995.
Lua MLA (8ú heag.)SHEN, Thomas T., agus Thomas T. SHEN. Industrial Pollution Prevention Thomas T. Shen. Springer, 1995.
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