Hillson, M., & Hyman, R. T. (1971). Change and innovation in elementary and secondary organization (2d ed.). Holt, Rinehart and Winston.
Lua i Stíl Chicago (17ú heag.)Hillson, Maurie, agus Ronald T. Hyman. Change and Innovation in Elementary and Secondary Organization. 2d ed. New York: Holt, Rinehart and Winston, 1971.
Lua MLA (9ú heag.)Hillson, Maurie, agus Ronald T. Hyman. Change and Innovation in Elementary and Secondary Organization. 2d ed. Holt, Rinehart and Winston, 1971.
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