Hegar, k. W., & Riddell, W. J. Management: Concepts and practices (2nd ed.).
Chicago Style (17th ed.) ZitazioaHegar, kathryn W., eta William J. Riddell. Management: Concepts and Practices. 2nd ed.
MLA (9th ed.) ZitazioaHegar, kathryn W., eta William J. Riddell. Management: Concepts and Practices. 2nd ed.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.