Harman, W. W. (1976). An incomplete guide to the future. San Francisco Book Co. ; trade distribution by Simon and Schuster.
Citace podle Chicago (17th ed.)Harman, Willis W. An Incomplete Guide to the Future. San Francisco : New York: San Francisco Book Co. ; trade distribution by Simon and Schuster, 1976.
Citace podle MLA (8th ed.)Harman, Willis W. An Incomplete Guide to the Future. San Francisco Book Co. ; trade distribution by Simon and Schuster, 1976.
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