Heyel, C. (1972). John Diebold on management. New Jersey: Prentice-Hall.
Čikaški stil citiranjaHeyel, Card. John Diebold On Management. New Jersey: Prentice-Hall, 1972.
MLA način citiranjaHeyel, Card. John Diebold On Management. New Jersey: Prentice-Hall, 1972.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.