Crawfprd.Martin. (1976). Air Pollution Control Theory. McGraw-Hill.
Chicago Style aipamenaCrawfprd.Martin. Air Pollution Control Theory. New York: McGraw-Hill, 1976.
MLA aipamenaCrawfprd.Martin. Air Pollution Control Theory. McGraw-Hill, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.