Heyel, C. (1972). John Diebold on management. New Jersey: Prentice-Hall.
Chicago Style aipamenaHeyel, Card. John Diebold On Management. New Jersey: Prentice-Hall, 1972.
MLA aipamenaHeyel, Card. John Diebold On Management. New Jersey: Prentice-Hall, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.