OSTLER, N. K. Introduction to environmental technology. Volume 1#Editor Neal K. Ostler. Prentice Hall-s.
Lua i Stíl Chicago (17ú heag.)OSTLER, Neal K. Introduction to Environmental Technology. Volume 1#Editor Neal K. Ostler. Prentice Hall-s.
Lua MLA (8ú heag.)OSTLER, Neal K. Introduction to Environmental Technology. Volume 1#Editor Neal K. Ostler. Prentice Hall-s.
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