Booulding, K. E. (1964). The meaning of the Twentieth Century. Higginbothams.
Citación estilo ChicagoBooulding, Kenneth E. The Meaning of the Twentieth Century. Madras: Higginbothams, 1964.
Cita MLABooulding, Kenneth E. The Meaning of the Twentieth Century. Higginbothams, 1964.
Warning: These citations may not always be 100% accurate.