Bradford, L. A., & Johnson, G. L. (1953). Farm management analysis. John Wiley & sons.
Chicago Style aipamenaBradford, Lawrence A., and Glenn L. Johnson. Farm Management Analysis. New York: John Wiley & sons, 1953.
MLA aipamenaBradford, Lawrence A., and Glenn L. Johnson. Farm Management Analysis. John Wiley & sons, 1953.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.