Sands, L. B., & Gross, R. E. (1967). The history of education chart: A timeline of scope and perspective (4th ed.). World Pub.
Chicago-viite (17. p.)Sands, Lester Bruton, ja Richard E. Gross. The History of Education Chart: A Timeline of Scope and Perspective. 4th ed. Cleveland: World Pub, 1967.
MLA-viite (9. p.)Sands, Lester Bruton, ja Richard E. Gross. The History of Education Chart: A Timeline of Scope and Perspective. 4th ed. World Pub, 1967.
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