Jordan, P. D. (1958). The nature and practice of State and local history. Service Center for Teachers of History.
Chicago-viite (17. p.)Jordan, Philip Dillon. The Nature and Practice of State and Local History. Washington: Service Center for Teachers of History, 1958.
MLA-viite (9. p.)Jordan, Philip Dillon. The Nature and Practice of State and Local History. Service Center for Teachers of History, 1958.
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