Não informado. (1981). Soviet Engineering Research. Production Engineering Research Association.
Cita Chicago Style (17a ed.)Não informado. Soviet Engineering Research. Melton Mowbray, Inglaterra: Production Engineering Research Association, 1981.
Cita MLA (8a ed.)Não informado. Soviet Engineering Research. Production Engineering Research Association, 1981.
Precaución: Estas citas no son 100% exactas.