Bell, P. W., & Todara, M. P. Economic theory: An integrated text with special reference to developing areas.
Παραπομπή Chicago StyleBell, Philip W., και Michael P. Todara. Economic Theory: An Integrated Text with Special Reference to Developing Areas. New Delhi, Oxford University press.
Παραπομπή MLABell, Philip W., και Michael P. Todara. Economic Theory: An Integrated Text with Special Reference to Developing Areas.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.