एपीए उद्धरण

DRDO. (1993). Union catalogue of periodicals in the DRDO libraries. DESIDOC.

शिकागो स्टाइल उद्धरण

DRDO. Union Catalogue of Periodicals in the DRDO Libraries. DELHI: DESIDOC, 1993.

एमएलए उद्धरण

DRDO. Union Catalogue of Periodicals in the DRDO Libraries. DESIDOC, 1993.