Yusuf, M. D. (1985). Economic survey of Syria during the tenth and eleventh centuries: Survey. Islamkundliche Untersuchungen.
Citazione stile Chigago Style (17a edizione)Yusuf, Muhsin D. "Economic Survey of Syria During the Tenth and Eleventh Centuries: Survey." Islamkundliche Untersuchungen 1985.
Citatione MLA (8a ed.)Yusuf, Muhsin D. "Economic Survey of Syria During the Tenth and Eleventh Centuries: Survey." Islamkundliche Untersuchungen, 1985.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.