@book{ VOTYAKOVA_GUZMAN_SOKOLOVA,
author = { IRINA VOTYAKOVA and RAFAEL GUZMAN TIRADO and LARISA SOKOLOVA } ,
title = { LENGUA RUSA (A1) },
publisher = { RUBIÑOS },
address = { MADRID },
year = { 2011 },
isbn = { 978-84-8041-1 },
}