एपीए उद्धरण

Hardam Singh Azad. (1976). Industrial Wastewater Management Handbook. McGraw-Hill.

शिकागो स्टाइल उद्धरण

Hardam Singh Azad. Industrial Wastewater Management Handbook. New York: McGraw-Hill, 1976.

एमएलए उद्धरण

Hardam Singh Azad. Industrial Wastewater Management Handbook. McGraw-Hill, 1976.