Barr, A. S., Burton, W. H., & Brueckner, L. J. (1938). Supervision: Principles and practices in the improvement of instruction. D. Appleton Century company, incorporated.
Chicagoスタイル(17版)引用形式Barr, Arvil Sylvester, William Henry Burton, , Leo John Brueckner. Supervision: Principles and Practices in the Improvement of Instruction. New York, London: D. Appleton Century company, incorporated, 1938.
MLA(9版)引用形式Barr, Arvil Sylvester, et al. Supervision: Principles and Practices in the Improvement of Instruction. D. Appleton Century company, incorporated, 1938.
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