Geruson, R. J. (1992). Theory of market strategy. Oxford University Press.
Chicago Style aipamenaGeruson, Richard J. Theory of Market Strategy. New York: Oxford University Press, 1992.
MLA aipamenaGeruson, Richard J. Theory of Market Strategy. Oxford University Press, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.