Não informado. (2022). I and C World. Siemens SG Information and Communications.
Lua i Stíl Chicago (17ú heag.)Não informado. I and C World. Munich, Alemanha: Siemens SG Information and Communications, 2022.
Lua MLA (8ú heag.)Não informado. I and C World. Siemens SG Information and Communications, 2022.
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