Kawatra, P. (1989). Fundamentals of documentation (3rd rev. and enl. ed.). Sterling Publishers Private Ltd.
Lua i Stíl Chicago (17ú heag.)Kawatra, P.S. Fundamentals of Documentation. 3rd rev. and enl. ed. New Delhi: Sterling Publishers Private Ltd, 1989.
Lua MLA (9ú heag.)Kawatra, P.S. Fundamentals of Documentation. 3rd rev. and enl. ed. Sterling Publishers Private Ltd, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.