एपीए उद्धरण

Swann, P. D. a. O. (1976). Extraction of Useful Chemical Derviatives form Coal. M.S.S. Information Corporation.

शिकागो स्टाइल उद्धरण

Swann, Philip D. and Others. Extraction of Useful Chemical Derviatives Form Coal. New York: M.S.S. Information Corporation, 1976.

एमएलए उद्धरण

Swann, Philip D. and Others. Extraction of Useful Chemical Derviatives Form Coal. M.S.S. Information Corporation, 1976.