McClement, M. (2015). Increase your self confidence (Second edition.). Pearson Education Limited.
Cita Chicago Style (17a ed.)McClement, Mike. Increase Your Self Confidence. Second edition. Harlow, England: Pearson Education Limited, 2015.
Cita MLA (9a ed.)McClement, Mike. Increase Your Self Confidence. Second edition. Pearson Education Limited, 2015.
Precaución: Estas citas no son 100% exactas.