APA (7th ed.) Zitazioa
Heilbroner, R. L. (1976). Business civilization in decline. Norton.
Chicago Style (17th ed.) Zitazioa
Heilbroner, Robert L. Business Civilization in Decline. New York: Norton, 1976.
MLA (9th ed.) Zitazioa
Heilbroner, Robert L. Business Civilization in Decline. Norton, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.