Lua APA (7ú heag.)

INTERNATIONAL ELECTROTECHNICAL COMMISSION. (2002). BASIC AND SAFETY PRINCIPLES FOR MAN-MACHINE INTERFACE,MARKETING AND IDENTIFICATION (6TH.). IEC.

Lua i Stíl Chicago (17ú heag.)

INTERNATIONAL ELECTROTECHNICAL COMMISSION. BASIC AND SAFETY PRINCIPLES FOR MAN-MACHINE INTERFACE,MARKETING AND IDENTIFICATION. 6TH. GENEVA: IEC, 2002.

Lua MLA (9ú heag.)

INTERNATIONAL ELECTROTECHNICAL COMMISSION. BASIC AND SAFETY PRINCIPLES FOR MAN-MACHINE INTERFACE,MARKETING AND IDENTIFICATION. 6TH. IEC, 2002.

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