1-Lawrence J. Gitman, “Principles of Managerial Finance”, Addison Wesley – 12. Basım, 226279Ross S. A., Westerfield R. W., Jordan B. D, “Corpoate Finance Essentials” McGrawHill – 5. Basım, 324361Lawrence J. Gitman, “Principles of Managerial Finance”, Addison Wesley – 12. Edition, 226279Ross S. A., Westerfield R. W., Jordan B. D, “Corpoate Finance Essentials” McGrawHill – 5. Edition, 324361