एपीए उद्धरण

William L Heumann. (1997). Industrial air pollution control systems. New York: McGraw-Hill.

शिकागो स्टाइल उद्धरण

William L Heumann. Industrial Air Pollution Control Systems. New York: McGraw-Hill, 1997.

एमएलए उद्धरण

William L Heumann. Industrial Air Pollution Control Systems. New York: McGraw-Hill, 1997.