एपीए उद्धरण

(1982). Industrial Waste Conference, 1981. Ann Arbor Science.

शिकागो स्टाइल उद्धरण

Industrial Waste Conference, 1981. Mitchigan: Ann Arbor Science, 1982.

एमएलए उद्धरण

Industrial Waste Conference, 1981. Ann Arbor Science, 1982.