//-->
Strany socializma v meždunarodnom razdelenii truda
Bogomolov, Oleg T., (1980)
Vnešneėkonomičeskie svjazi stran členov SEV v uslovijach socialističeskoj integracii
Golubev, Valerij A., (1983)
The common market and world agriculture : trade patterns in temperate-zone foodstuffs
Knox, Francis, (1972)