Watanabe, H. (1977). Human activity system: Its spatiotemporal structure. University of Tokyo Press.
Chicago Style aipamenaWatanabe, Hitoshi. Human Activity System: Its Spatiotemporal Structure. [Tokyo]: University of Tokyo Press, 1977.
MLA aipamenaWatanabe, Hitoshi. Human Activity System: Its Spatiotemporal Structure. University of Tokyo Press, 1977.
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