(1990). Centuries of tutoring: History of alternative education in America and western Europe / by Edward E. Gordon with Elaine H. Gordon.
Chicago-viite (17. p.)Centuries of Tutoring: History of Alternative Education in America and Western Europe / by Edward E. Gordon with Elaine H. Gordon. 1990.
MLA-viite (9. p.)Centuries of Tutoring: History of Alternative Education in America and Western Europe / by Edward E. Gordon with Elaine H. Gordon. 1990.
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