Higham, C. S. S., & Townshend, W. (1967). Landmarks of world history (3. ed., new impression.). Longmans.
Cita Chicago Style (17a ed.)Higham, C. S. S., y Winifred Townshend. Landmarks of World History. 3. ed., new impression. London: Longmans, 1967.
Cita MLA (9a ed.)Higham, C. S. S., y Winifred Townshend. Landmarks of World History. 3. ed., new impression. Longmans, 1967.
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