Rugg, H. (1929). An introduction to American civilization: A study of economic life in the United States. Ginn and Company.
Citazione stile Chigago Style (17a edizione)Rugg, Harold. An Introduction to American Civilization: A Study of Economic Life in the United States. Boston: Ginn and Company, 1929.
Citatione MLA (9a ed.)Rugg, Harold. An Introduction to American Civilization: A Study of Economic Life in the United States. Ginn and Company, 1929.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.