Gray, D. L., & Smith, A. E. (2007). Case studies in 21st century school administration: Addressing challenges for educational leadership. Sage Publications.
Dyfyniad Arddull ChicagoGray, David L., and Agnes E. Smith. Case Studies in 21st Century School Administration: Addressing Challenges for Educational Leadership. Thousand Oaks: Sage Publications, 2007.
Dyfyniad MLAGray, David L., and Agnes E. Smith. Case Studies in 21st Century School Administration: Addressing Challenges for Educational Leadership. Sage Publications, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.