Long, M. F. (1965). Graduate study in economics: A guide to graduate programs in economics and agricultural economics at United States and Canadian universities. American Economic Association.
Citazione stile Chigago Style (17a edizione)Long, Millard F. Graduate Study in Economics: A Guide to Graduate Programs in Economics and Agricultural Economics at United States and Canadian Universities. [Evanston, Ill.]: American Economic Association, 1965.
Citatione MLA (9a ed.)Long, Millard F. Graduate Study in Economics: A Guide to Graduate Programs in Economics and Agricultural Economics at United States and Canadian Universities. American Economic Association, 1965.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.