Stangeland, C. E. (1904). Pre-Malthusian doctrines of population: A study in the history of economics theory. A.M. Kelly.
Chicago-viite (17. p.)Stangeland, Charles Emil. Pre-Malthusian Doctrines of Population: A Study in the History of Economics Theory. New York: A.M. Kelly, 1904.
MLA-viite (9. p.)Stangeland, Charles Emil. Pre-Malthusian Doctrines of Population: A Study in the History of Economics Theory. A.M. Kelly, 1904.
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