Johns, A. (1998). The nature of the book: Print and knowledge in the making. Univ. of Chicago Press.
Lua i Stíl Chicago (17ú heag.)Johns, Adrian. The Nature of the Book: Print and Knowledge in the Making. Chicago [u.a.]: Univ. of Chicago Press, 1998.
Lua MLA (8ú heag.)Johns, Adrian. The Nature of the Book: Print and Knowledge in the Making. Univ. of Chicago Press, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.