Pflaum, I. P. (1964). Arena of decision latin america in crisis. Englewood Cliffs: Prentice- Hall, Inc.
Dyfyniad Arddull ChicagoPflaum, Irving Peter. Arena of Decision Latin America in Crisis. Englewood Cliffs: Prentice- Hall, Inc, 1964.
Dyfyniad MLAPflaum, Irving Peter. Arena of Decision Latin America in Crisis. Englewood Cliffs: Prentice- Hall, Inc, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.