Cohen, D. R., & Henderson, J. B. (1988). Health, prevention, and economics. Oxford University Press.
Chicago Style aipamenaCohen, David R., and John B. Henderson. Health, Prevention, and Economics. Oxford: Oxford University Press, 1988.
MLA aipamenaCohen, David R., and John B. Henderson. Health, Prevention, and Economics. Oxford University Press, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.