James R. Pfafflin & Edward N. Ziegler. (2006). Encyclopedia of environmental science and engineering (5th ed.). CRC.
Chicago Edition CitationJames R. Pfafflin and Edward N. Ziegler. Encyclopedia of Environmental Science and Engineering. 5th ed. Boca Raton: CRC, 2006.
ציטוט MLAJames R. Pfafflin and Edward N. Ziegler. Encyclopedia of Environmental Science and Engineering. 5th ed. CRC, 2006.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.