Lua APA (7ú heag.)
ebrary, Inc, Farace, D. J., & Schöpfel, J. (2010). Grey literature in library and information studies. De Gruyter Saur.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, Dominic John Farace, agus Joachim Schöpfel. Grey Literature in Library and Information Studies. Berlin ; New York: De Gruyter Saur, 2010.
Lua MLA (9ú heag.)
ebrary, Inc, et al. Grey Literature in Library and Information Studies. De Gruyter Saur, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.