एपीए उद्धरण

ROBERT A MEYERS. (1999). Encyclopedia of environmental pollution and cleanup. New York: John Wiley and Sons.

शिकागो स्टाइल उद्धरण

ROBERT A MEYERS. Encyclopedia of Environmental Pollution and Cleanup. New York: John Wiley and Sons, 1999.

एमएलए उद्धरण

ROBERT A MEYERS. Encyclopedia of Environmental Pollution and Cleanup. New York: John Wiley and Sons, 1999.