एपीए उद्धरण

Geetha Andrews. (1987). Synthetic studies on benzopyrido quinolizine alkaloids. Department of applied chemistry:CUSAT.

शिकागो स्टाइल उद्धरण

Geetha Andrews. Synthetic Studies on Benzopyrido Quinolizine Alkaloids. Cochin: Department of applied chemistry:CUSAT, 1987.

एमएलए उद्धरण

Geetha Andrews. Synthetic Studies on Benzopyrido Quinolizine Alkaloids. Department of applied chemistry:CUSAT, 1987.