.Huby, M. (1998). Social policy and the environment. Open University Press.
Chicago Style (17th ed.) Zitazioa.Huby, Meg. Social Policy and the Environment. [Buckingham [England ; Philadelphia: Open University Press, 1998.
MLA (9th ed.) Zitazioa.Huby, Meg. Social Policy and the Environment. Open University Press, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.