Parkin, M., Powell, M., & Matthews, K. (2017). Economics (Tenth European edition.). Pearson.
Cita Chicago Style (17a ed.)Parkin, Michael, Melanie Powell, y Kent Matthews. Economics. Tenth European edition. Harlow, England: Pearson, 2017.
Cita MLA (8a ed.)Parkin, Michael, et al. Economics. Tenth European edition. Pearson, 2017.
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