Mankiw, N. Gregory, and Mark P. Taylor, Macroeconomics, [3rd edition] (Andover: Cengage Learning, 2014)
———, Macroeconomics, [3rd edition] (Andover: Cengage Learning, 2014)
———, Macroeconomics, [3rd edition] (Andover: Cengage Learning, 2014)
———, Macroeconomics, [3rd edition] (Andover: Cengage Learning, 2014)
———, Macroeconomics, [3rd edition] (Andover: Cengage Learning, 2014)
———, Macroeconomics, [3rd edition] (Andover: Cengage Learning, 2014)
Mankiw, N. Gregory, Mark P. Taylor, and dawsonera, Macroeconomics, Third edition (Hampshire: Cengage Learning, 2014) <https://www.dawsonera.com/guard/protected/dawson.jsp?name=https://idp0.essex.ac.uk/shibboleth&dest=http://www.dawsonera.com/depp/reader/protected/external/AbstractView/S9781473707955>