Boyd, W., & Walberg, H. J. (1990). Choice in education: Potential and problems. McCutchan Publishing.
Citace podle Chicago (17th ed.)Boyd, William, a Herbert J. Walberg. Choice in Education: Potential and Problems. Berkeley: McCutchan Publishing, 1990.
Citace podle MLA (9th ed.)Boyd, William, a Herbert J. Walberg. Choice in Education: Potential and Problems. McCutchan Publishing, 1990.
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