Phillips, W. (1968). A manual of political economy, with particular reference to the institutions, resources and condition of the United States. A.M. Kelly.
Citazione stile Chigago Style (17a edizione)Phillips, Willard. A Manual of Political Economy, with Particular Reference to the Institutions, Resources and Condition of the United States. New York: A.M. Kelly, 1968.
Citatione MLA (9a ed.)Phillips, Willard. A Manual of Political Economy, with Particular Reference to the Institutions, Resources and Condition of the United States. A.M. Kelly, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.