Hayes, S. L. (1993). Financial services: Perspectives and challenges. Harvard Business School Press.
Citazione stile Chigago Style (17a edizione)Hayes, Samuel L. Financial Services: Perspectives and Challenges. Boston, Mass: Harvard Business School Press, 1993.
Citatione MLA (9a ed.)Hayes, Samuel L. Financial Services: Perspectives and Challenges. Harvard Business School Press, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.