Friedman, M. (1975). There's no such thing as a free lunch. LaSalle, Illinois: Open Court.
Styl ChicagoFriedman, Milton. There's No Such Thing As a Free Lunch. LaSalle, Illinois: Open Court, 1975.
Citace podle MLAFriedman, Milton. There's No Such Thing As a Free Lunch. LaSalle, Illinois: Open Court, 1975.
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