Gray, D. L., & Smith, A. E. (2007). Case studies in 21st century school administration: Addressing challenges for educational leadership. Sage Publications.
Chicago-viite (17. p.)Gray, David L., ja Agnes E. Smith. Case Studies in 21st Century School Administration: Addressing Challenges for Educational Leadership. Thousand Oaks: Sage Publications, 2007.
MLA-viite (9. p.)Gray, David L., ja Agnes E. Smith. Case Studies in 21st Century School Administration: Addressing Challenges for Educational Leadership. Sage Publications, 2007.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.