Coombs, P. H. (1985). The world crisis in education: The view from the eighties. Oxford Univ. Press.
Lua i Stíl Chicago (17ú heag.)Coombs, Philip H. The World Crisis in Education: The View from the Eighties. New York: Oxford Univ. Press, 1985.
Lua MLA (9ú heag.)Coombs, Philip H. The World Crisis in Education: The View from the Eighties. Oxford Univ. Press, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.