Abraham, W. I. Problems of national income measurement in underdeveloped countries with special reference to the Philippines. University Microfilms.
Citazione stile Chigago Style (17a edizione)Abraham, William Israel. Problems of National Income Measurement in Underdeveloped Countries with Special Reference to the Philippines. Ann Arbor, Mich: University Microfilms.
Citatione MLA (9a ed.)Abraham, William Israel. Problems of National Income Measurement in Underdeveloped Countries with Special Reference to the Philippines. University Microfilms.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.