Stewart, B. R. (1978). Leadership for agricultral industry. Mc GRaw- Hill Book Company Inc.
Chicago Style aipamenaStewart, Bob R. Leadership for Agricultral Industry. London: Mc GRaw- Hill Book Company Inc, 1978.
MLA aipamenaStewart, Bob R. Leadership for Agricultral Industry. Mc GRaw- Hill Book Company Inc, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.