एपीए उद्धरण

Szekely, J. (1973). The steel industry and the environment. New York: Marcel Dekker, Inc.

शिकागो स्टाइल उद्धरण

Szekely, Julian. The Steel Industry and the Environment. New York: Marcel Dekker, Inc, 1973.

एमएलए उद्धरण

Szekely, Julian. The Steel Industry and the Environment. New York: Marcel Dekker, Inc, 1973.