1. ^ Tramullas, Jesús; Sánchez-Casabón, Ana I; Garrido-Picazo, Piedad (2015). "Studies and analysis of reference management software: A literature review". Profesional de la Informacion. 24 (5): 680–688. ISSN 1386-6710. {{cite journal}}: |access-date= requires |url= (help)CS1 maint: multiple names: authors list (link)
  2. ^ Gavigan, J. -J. (1965). "Studies and analysis of reference management software: A literature review". Profesional de la Informacion. 24 (3): 549. doi:10.3145/epi.2015.sep.17.
  3. ^ Fuegi & Francis 2003, pp. 16–26.
  4. ^ Woolley 1999, pp. 74–77.