Haspelmath, Martin. 1993. A grammar of Lezgian. Berlin: Mouton de Gruyter.
@book{gasttdir-haspelmathgrammar1993,
address = {Berlin},
author = {Haspelmath, Martin},
publisher = {Mouton de Gruyter},
title = {A grammar of Lezgian},
year = {1993}
}