एपीए उद्धरण

National Productivity Council. (1963). Report no.28 glass industry in Britan and U.S.A. N.P.C.

शिकागो स्टाइल उद्धरण

National Productivity Council. Report No.28 Glass Industry in Britan and U.S.A. N.P.C, 1963.

एमएलए उद्धरण

National Productivity Council. Report No.28 Glass Industry in Britan and U.S.A. N.P.C, 1963.