- Wilkins. ISBN 978-0-7817-7365-2.
Retrieved August 12, 2013.
Heikkinen J,
Milger K, Alejandre-Lafont E,
Woitzik C,
Litzlbauer D, Vogt JF, et al. (2012)....
- 66.
Runciman 1952, p. 87.
Runciman 1952, p. 88.
Gabrieli 1976, p. 56.
Milger 1988, p. 162. Gabrieli,
Francesco (1976). The
Crusades from an Arab Perspective...
- Biology. 3 (1): 89. doi:10.1038/msb4100134. PMC 1847948. PMID 17353931.
Milger K,
Herrmann T,
Becker C,
Gotthardt D,
Zickwolf J,
Ehehalt R,
Watkins PA...
