{{sfn|Corbae|Stinchcombe|Zeman|2009|p=}}

* {{cite book | last=Corbae | first=Dean | last2=Stinchcombe | first2=Maxwell | last3=Zeman | first3=Juraj | title=An Introduction to Mathematical Analysis for Economic Theory and Econometrics | publisher=Princeton University Press | publication-place=Princeton | date=2009-03-09 | isbn=978-0-691-11867-3 | oclc=267056151}}

<ref name="n517">{{cite book | last=Corbae | first=Dean | last2=Stinchcombe | first2=Maxwell | last3=Zeman | first3=Juraj | title=An Introduction to Mathematical Analysis for Economic Theory and Econometrics | publisher=Princeton University Press | publication-place=Princeton | date=2009-03-09 | isbn=978-0-691-11867-3 | oclc=267056151 | page=}}</ref>