Ward, C. H., & Giger, W. (1985). Ground water quality. John Wiley & Sons, Inc..
Chicago Style (17. basım) AtıfWard, C. H., ve W. Giger. Ground Water Quality. New York: John Wiley & Sons, Inc., 1985.
MLA (9th ed.) AtıfWard, C. H., ve W. Giger. Ground Water Quality. John Wiley & Sons, Inc., 1985.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..