Christoph., B., J., van), R., C., V., (.(2011).Key to the treasure of the Hakīm:artistic and humanistic aspects of Nizāmī Ganjavī's Khamsa .Leiden:Leiden University Press.
Gaya MLA
Bürgel, J., Christoph.., Ruymbeke, C., Van, (Christine, Van)."Key to the treasure of the Hakīm:artistic and humanistic aspects of Nizāmī Ganjavī's Khamsa".Leiden:Leiden University Press,2011.Electronic Resource.