Houston, J. (1982). The possible human: A course in extending your physical, mental, and creative abilities. J.P. Tarcher.
Chicago-viite (17. p.)Houston, Jean. The Possible Human: A Course in Extending Your Physical, Mental, and Creative Abilities. Los Angeles: J.P. Tarcher, 1982.
MLA-viite (9. p.)Houston, Jean. The Possible Human: A Course in Extending Your Physical, Mental, and Creative Abilities. J.P. Tarcher, 1982.
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