Kahn, H. (1967). The Year 2000: A Framework for Speculation on the Next Thirty-three Years. New York: The MacMillan Company.
Παραπομπή Chicago StyleKahn, Herman. The Year 2000: A Framework for Speculation On the Next Thirty-three Years. New York: The MacMillan Company, 1967.
Παραπομπή MLAKahn, Herman. The Year 2000: A Framework for Speculation On the Next Thirty-three Years. New York: The MacMillan Company, 1967.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.