Kelsey, R. (2013). What's Stopping to you? Being More Confident. Wiley India Pvt. Ltd.
Chicago-viite (17. p.)Kelsey, Robert. What's Stopping to You? Being More Confident. New Delhi: Wiley India Pvt. Ltd, 2013.
MLA-viite (9. p.)Kelsey, Robert. What's Stopping to You? Being More Confident. Wiley India Pvt. Ltd, 2013.
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