Black, P., Harrison, C., Lee, C., Marshall, B., & Wiliam, D. (2003). Assessment for learning: Putting it into practice (1a. ed.). Open University Press.
Chicago Style (17th ed.) ZitazioaBlack, Paul, Christine Harrison, Clare Lee, Bethan Marshall, eta Dylan Wiliam. Assessment for Learning: Putting It into Practice. 1a. ed. Berkshire: Open University Press, 2003.
MLA (9th ed.) ZitazioaBlack, Paul, et al. Assessment for Learning: Putting It into Practice. 1a. ed. Open University Press, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.