एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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