@book{129053,
	author = {Zaydān, Jirjī, and Margoliouth, D. S.},
	title = {Umayyads and ʻAbbásids, being the fourth part of Jurjí Zaydán's History of Islamic civilization /},
	publisher = {Kitab Bhaban,},
	year = {1978 (1981).},
	address = {New Delhi :}
}