References
^ The Pocket Wadsworth Handbook Laurie G Kirszner Paperback ISBN 9780495912958 (revised Jul 2012)^ (2013). Cengage Advantage Books: The Pocket Wadsworth Handbook ECampus. ISBN 9780495912958 (revised Nov 2023)^ Kirszner, Laurie G.; Mandell, Stephen R. (2015). Cengage Advantage Books: The Pocket Wadsworth Handbook, Cengage Learning. BiggerBooks. ISBN 9780495912958 (revised Nov 2023)
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