Purcell, M. (2011). After Ten Years, National Board Certification Has Proven It Is Not a Passing Fad in the Library Media Field.
Chicago Style (17th ed.) CitationPurcell, Melissa. After Ten Years, National Board Certification Has Proven It Is Not a Passing Fad in the Library Media Field. 2011.
MLA (9th ed.) CitationPurcell, Melissa. After Ten Years, National Board Certification Has Proven It Is Not a Passing Fad in the Library Media Field. 2011.
Warning: These citations may not always be 100% accurate.