Kumakhov, Mukhadin and Vamling, Karina. 2006. Èrgativnostʹ v čerkesskix jazykax. Malmo University.
@book{jacquesestimative-kumakhov2006,
author = {Kumakhov, Mukhadin and Vamling, Karina},
publisher = {Malmo University},
title = {Èrgativnostʹ v čerkesskix jazykax},
year = {2006}
}