Schroeder,Bernhard. (2016). Simply Brilliant Powerful Techniques (NA.). Gildan Media, LLC.
Chicago-čujuhus (17. p.)Schroeder,Bernhard. Simply Brilliant Powerful Techniques. NA. Gildan Media, LLC, 2016.
MLA-čujuhus (9. p.)Schroeder,Bernhard. Simply Brilliant Powerful Techniques. NA. Gildan Media, LLC, 2016.
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