MASTERS, G. M. (1991). Introduction To Environmental Engineering And Science Gilbert M. Masters. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)MASTERS, Gilbert M. Introduction To Environmental Engineering And Science Gilbert M. Masters. Prentice-Hall, 1991.
Lua MLA (8ú heag.)MASTERS, Gilbert M. Introduction To Environmental Engineering And Science Gilbert M. Masters. Prentice-Hall, 1991.
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