Stangeland, C. E. (1904). Pre-Malthusian doctrines of population: A study in the history of economics theory. A.M. Kelly.
Chicago-referens (17:e uppl.)Stangeland, Charles Emil. Pre-Malthusian Doctrines of Population: A Study in the History of Economics Theory. New York: A.M. Kelly, 1904.
MLA-referens (9:e uppl.)Stangeland, Charles Emil. Pre-Malthusian Doctrines of Population: A Study in the History of Economics Theory. A.M. Kelly, 1904.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.