एपीए उद्धरण

Gagan Raj. (1997). Dictionary of scientific and technical abbreviations.

शिकागो स्टाइल उद्धरण

Gagan Raj. Dictionary of Scientific and Technical Abbreviations. New Delhi, Anmol, 1997.

एमएलए उद्धरण

Gagan Raj. Dictionary of Scientific and Technical Abbreviations. 1997.