Samuelson, P. A. (1947). Foundations of Economic Analysis. Harward University Press.
Chicago Style aipamenaSamuelson, Paul A. Foundations of Economic Analysis. Cambridge: Harward University Press, 1947.
MLA aipamenaSamuelson, Paul A. Foundations of Economic Analysis. Harward University Press, 1947.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.