Spurr, S. H. (1970). Academic degree structures: innovative approaches: Principles of reform in degree structures in the United States. McGraw-Hill.
Citace podle Chicago (17th ed.)Spurr, Stephen Hopkins. Academic Degree Structures: Innovative Approaches: Principles of Reform in Degree Structures in the United States. New York: McGraw-Hill, 1970.
Citace podle MLA (8th ed.)Spurr, Stephen Hopkins. Academic Degree Structures: Innovative Approaches: Principles of Reform in Degree Structures in the United States. McGraw-Hill, 1970.
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