APA-ийн эшлэл(7 дахь хэвлэлт)

O'Callaghan, J. F., & Todesca, J. J. (2015). The emergence of León-Castile, c. 1065-1500: Essays presented to J.F. O'Callaghan. Ashgate.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

O'Callaghan, Joseph F., ба James J. Todesca. The Emergence of León-Castile, C. 1065-1500: Essays Presented to J.F. O'Callaghan. Farnham, Surrey, England: Ashgate, 2015.

MLA -ийн эшлэл (9 дэх хэвлэлт)

O'Callaghan, Joseph F., ба James J. Todesca. The Emergence of León-Castile, C. 1065-1500: Essays Presented to J.F. O'Callaghan. Ashgate, 2015.