Xavier, F. G. (2010). Boost your brain power: Powerful techniques to develop super brainpower for successful living. Pustak mahal.
Chicago-tyylinen lähdeviittausXavier, Francis G. Boost Your Brain Power: Powerful Techniques to Develop Super Brainpower for Successful Living. Delhi: Pustak mahal, 2010.
MLA-viiteXavier, Francis G. Boost Your Brain Power: Powerful Techniques to Develop Super Brainpower for Successful Living. Pustak mahal, 2010.
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