Windfuhr, Gernot and Perry, John R. 2009. Persian and Tajik. In Windfuhr, Gernot (ed.), The Iranian Languages, 416–544. London &New York: Routledge.
@incollection{audersetinterrog-windfuhrpersian2009, address = {London &New York}, author = {Windfuhr, Gernot and Perry, John R.}, booktitle = {The Iranian Languages}, editor = {Windfuhr, Gernot}, pages = {416–544}, publisher = {Routledge}, title = {Persian and Tajik}, year = {2009} }