Davies, D. L. (2013). Research techniques in library and information science. Random Exports.
Lua i Stíl Chicago (17ú heag.)Davies, Dombro L. Research Techniques in Library and Information Science. New Delhi: Random Exports, 2013.
Lua MLA (9ú heag.)Davies, Dombro L. Research Techniques in Library and Information Science. Random Exports, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.