APA ציטוט

Pfafflin, J. R., & Ziegler, E. N. (1992). Encyclopedia of environment science and engineering (Third edition, revised and updated.). Gordon and Breach Science Publisher.

Chicago Style (17th ed.) Citation

Pfafflin, James R., and Edward N. Ziegler. Encyclopedia of Environment Science and Engineering. Third edition, revised and updated. Philadelphia, Pennsylvania: Gordon and Breach Science Publisher, 1992.

ציטוט MLA

Pfafflin, James R., and Edward N. Ziegler. Encyclopedia of Environment Science and Engineering. Third edition, revised and updated. Gordon and Breach Science Publisher, 1992.