Fiftieth Anniversary Colloquium (5th :1970 : San Francisco). (1972). Economic growth. National Bureau of Economic Research.
Chicago Style aipamenaFiftieth Anniversary Colloquium (5th :1970 : San Francisco). Economic Growth. New York: National Bureau of Economic Research, 1972.
MLA aipamenaFiftieth Anniversary Colloquium (5th :1970 : San Francisco). Economic Growth. National Bureau of Economic Research, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.