Kahn, H. (1967). The Year 2000: A Framework for Speculation on the Next Thirty-three Years. New York: The MacMillan Company.
Trích dẫn kiểu ChicagoKahn, Herman. The Year 2000: A Framework for Speculation On the Next Thirty-three Years. New York: The MacMillan Company, 1967.
MLA CitationKahn, Herman. The Year 2000: A Framework for Speculation On the Next Thirty-three Years. New York: The MacMillan Company, 1967.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.