Titterton, J. (2025). The Economics of Treachery: The Betrayal of Urban Strongholds in North-Western Europe, c. 1000–1150. https://doi.org/10.2307/jj.24440859.4
Παραπομπή σε μορφή Chicago (17η εκδ.)Titterton, James. The Economics of Treachery: The Betrayal of Urban Strongholds in North-Western Europe, C. 1000–1150. 2025. https://doi.org/10.2307/jj.24440859.4.
Παραπομπή σε μορφή MLA (9th εκδ.)Titterton, James. The Economics of Treachery: The Betrayal of Urban Strongholds in North-Western Europe, C. 1000–1150. 2025. https://doi.org/10.2307/jj.24440859.4.
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