Công quốc Perugia (Vietnamese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Công quốc Perugia" in Vietnamese language version.

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Noble 1984, tr. 3–5. Noble, Thomas F. X. (1984). The Republic of St. Peter: The Birth of the Papal State, 680–825. Philadelphia, Pennsylvania: University of Pennsylvania Press. ISBN 0-8122-1239-8.
Noble 1984, tr. 44–48. Noble, Thomas F. X. (1984). The Republic of St. Peter: The Birth of the Papal State, 680–825. Philadelphia, Pennsylvania: University of Pennsylvania Press. ISBN 0-8122-1239-8.
Noble 1984, tr. 41. Noble, Thomas F. X. (1984). The Republic of St. Peter: The Birth of the Papal State, 680–825. Philadelphia, Pennsylvania: University of Pennsylvania Press. ISBN 0-8122-1239-8.
Noble 1984, tr. 56–57. Noble, Thomas F. X. (1984). The Republic of St. Peter: The Birth of the Papal State, 680–825. Philadelphia, Pennsylvania: University of Pennsylvania Press. ISBN 0-8122-1239-8.
Noble 1984, tr. 57. Noble, Thomas F. X. (1984). The Republic of St. Peter: The Birth of the Papal State, 680–825. Philadelphia, Pennsylvania: University of Pennsylvania Press. ISBN 0-8122-1239-8.
Noble 1984, tr. 59, 94–95. Noble, Thomas F. X. (1984). The Republic of St. Peter: The Birth of the Papal State, 680–825. Philadelphia, Pennsylvania: University of Pennsylvania Press. ISBN 0-8122-1239-8.
Noble 1984, tr. 160. Noble, Thomas F. X. (1984). The Republic of St. Peter: The Birth of the Papal State, 680–825. Philadelphia, Pennsylvania: University of Pennsylvania Press. ISBN 0-8122-1239-8.
Noble 1984, tr. 182. Noble, Thomas F. X. (1984). The Republic of St. Peter: The Birth of the Papal State, 680–825. Philadelphia, Pennsylvania: University of Pennsylvania Press. ISBN 0-8122-1239-8.