Bugeja, M. J., & Dimitrova, D. V. (2010). Vanishing act: The erosion of online footnotes and implications for scholarship in the digital age. Litwin Books.
Lua i Stíl Chicago (17ú heag.)Bugeja, Michael J., agus Daniela V. Dimitrova. Vanishing Act: The Erosion of Online Footnotes and Implications for Scholarship in the Digital Age. Duluth, MN: Litwin Books, 2010.
Lua MLA (9ú heag.)Bugeja, Michael J., agus Daniela V. Dimitrova. Vanishing Act: The Erosion of Online Footnotes and Implications for Scholarship in the Digital Age. Litwin Books, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.