Walker, A. P., & Hart, A. B. (1925). Essentials in English history: From the earliest records to the present day. American Book Co..
Παραπομπή σε μορφή Chicago (17η εκδ.)Walker, Albert Perry, και Albert Bushnell Hart. Essentials in English History: From the Earliest Records to the Present Day. New York ; Cincinnati [etc.]: American Book Co., 1925.
Παραπομπή σε μορφή MLA (8th εκδ.)Walker, Albert Perry, και Albert Bushnell Hart. Essentials in English History: From the Earliest Records to the Present Day. American Book Co., 1925.
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