Johansson, P. (1991). An introduction to modern welfare economics. Cambridge University Press.
Chicago Style aipamenaJohansson, Per-Olov. An Introduction to Modern Welfare Economics. Cambridge: Cambridge University Press, 1991.
MLA aipamenaJohansson, Per-Olov. An Introduction to Modern Welfare Economics. Cambridge University Press, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.