Malthus, T. R. 1., & Appleman, P. (1976). An essay on the principle of population: Text, sources and background, criticism. New York: Norton.
Παραπομπή Chicago StyleMalthus, T. R. 1766-1834, και Philip Appleman. An Essay On the Principle of Population: Text, Sources and Background, Criticism. New York: Norton, 1976.
Παραπομπή MLAMalthus, T. R. 1766-1834, και Philip Appleman. An Essay On the Principle of Population: Text, Sources and Background, Criticism. New York: Norton, 1976.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.