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}
}