Citazione Stile APA (7a Edizione)
Princiotta, D., & Fortune, A. (Mar 2009). The Quality Imperative: A State Guide to Achieving the Promise of Extended Learning Opportunities. NGA Center for Best Practices.
Citazione stile Chigago Style (17a edizione)
Princiotta, Daniel, e Ayeola Fortune. "The Quality Imperative: A State Guide to Achieving the Promise of Extended Learning Opportunities." NGA Center for Best Practices Mar 2009.
Citatione MLA (9a ed.)
Princiotta, Daniel, e Ayeola Fortune. "The Quality Imperative: A State Guide to Achieving the Promise of Extended Learning Opportunities." NGA Center for Best Practices, Mar 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.