Williams, G. A. (1962). Guide to sources of illustrative material for use in teaching history. Historical Association.
Citace podle Chicago (17th ed.)Williams, Gwyn A. Guide to Sources of Illustrative Material for Use in Teaching History. London: Historical Association, 1962.
Citace podle MLA (8th ed.)Williams, Gwyn A. Guide to Sources of Illustrative Material for Use in Teaching History. Historical Association, 1962.
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