{{sfn | Schwen | Bass | 2006 | p=}}

* {{cite book | last=Schwen | first=Mark R. | last2=Bass | first2=Dorothy C. | title=Leading Lives That Matter | publisher=Wm. B. Eerdmans Publishing | publication-place=Grand Rapids, Michigan | date=2006-04-25 | isbn=978-0-8028-2931-3}}

<ref name="j861">{{cite book | last=Schwen | first=Mark R. | last2=Bass | first2=Dorothy C. | title=Leading Lives That Matter | publisher=Wm. B. Eerdmans Publishing | publication-place=Grand Rapids, Michigan | date=2006-04-25 | isbn=978-0-8028-2931-3 | page=}}</ref>