Gaya APA

Kőhler, M, A. et al (2013). Alliances and treaties between Frankish and Muslim rulers in the Middle East : cross-cultural diplomacy in the period of the Crusades . Leiden, The Netherlands: Koninklijke Brill NV.

Gaya MLA

Kőhler, Michael, A.. et al. "Alliances and treaties between Frankish and Muslim rulers in the Middle East : cross-cultural diplomacy in the period of the Crusades". Leiden, The Netherlands: Koninklijke Brill NV, 2013. Text.