Booulding, K. E. (1964). The meaning of the Twentieth Century. Higginbothams.
Stile di citazione ChicagoBooulding, Kenneth E. The Meaning of the Twentieth Century. Madras: Higginbothams, 1964.
Citazione MLABooulding, Kenneth E. The Meaning of the Twentieth Century. Higginbothams, 1964.
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