Cita APA (7th ed.)

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.