Jones, B., & Johnson, R. (1990). Making the grade: A study programme for adult students. Manchester University Press.
Cita Chicago (17th ed.)Jones, Bill, i Roy Johnson. Making the Grade: A Study Programme for Adult Students. Manchester: Manchester University Press, 1990.
Cita MLA (9th ed.)Jones, Bill, i Roy Johnson. Making the Grade: A Study Programme for Adult Students. Manchester University Press, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.