APA
Marshall C., .Second Edition The Assistant Principal Leadership Choices and Challenges. : Corwin Press,2006.
Chicago
Marshall Catherine, .Second Edition The Assistant Principal Leadership Choices and Challenges. : Corwin Press,2006.
Harvard
Marshall C., .Second Edition The Assistant Principal Leadership Choices and Challenges. : Corwin Press,2006.
MLA
Marshall Catherine, .: Corwin Press,2006. .