Lua APA (7ú heag.)
Gelb, I. J. (1963). A study of writing. University of Chicago Press.
Lua i Stíl Chicago (17ú heag.)
Gelb, Ignace J. A Study of Writing. Chicago: University of Chicago Press, 1963.
Lua MLA (9ú heag.)
Gelb, Ignace J. A Study of Writing. University of Chicago Press, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.