Rechtschaffen, S. (1996). Time shifting: A revolutionary new approach to creating more time for your life. Rider.
Citace podle Chicago (17th ed.)Rechtschaffen, Stephan. Time Shifting: A Revolutionary New Approach to Creating More Time for Your Life. London: Rider, 1996.
Citace podle MLA (9th ed.)Rechtschaffen, Stephan. Time Shifting: A Revolutionary New Approach to Creating More Time for Your Life. Rider, 1996.
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