APA
Schulz C. &. O. D., . (1984). Surface water treatment for communities in developing counters. John Wiley & Sons, New York: .
Chicago
Schulz Christopher & Okum Daniel, . 1984. Surface water treatment for communities in developing counters. John Wiley & Sons, New York: .
Harvard
Schulz C. &. O. D., . (1984). Surface water treatment for communities in developing counters. John Wiley & Sons, New York: .
MLA
Schulz Christopher & Okum Daniel, . Surface water treatment for communities in developing counters. John Wiley & Sons, New York: . 1984.