APA

AHMAD M. H., . (1964). Some notes on Arabic historiography during the Zengid and Ayyubid periods (521/1127 - 648-1250). Londres: Oxford University Press.

Chicago

AHMAD M Hilmy, . 1964. Some notes on Arabic historiography during the Zengid and Ayyubid periods (521/1127 - 648-1250). Londres: Oxford University Press.

Harvard

AHMAD M. H., . (1964). Some notes on Arabic historiography during the Zengid and Ayyubid periods (521/1127 - 648-1250). Londres: Oxford University Press.

MLA

AHMAD M Hilmy, . Some notes on Arabic historiography during the Zengid and Ayyubid periods (521/1127 - 648-1250). Londres: Oxford University Press. 1964.