Jones, B., & Johnson, R. (1990). Making the grade: A study programme for adult students. Manchester University Press.
Lua i Stíl Chicago (17ú heag.)Jones, Bill, agus Roy Johnson. Making the Grade: A Study Programme for Adult Students. Manchester: Manchester University Press, 1990.
Lua MLA (9ú heag.)Jones, Bill, agus Roy Johnson. Making the Grade: A Study Programme for Adult Students. Manchester University Press, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.