Lua APA (7ú heag.)

DHOGAL P.S. (1990). BASIC ELECTRICAL ENGG. TATA MC GRAW HILL.

Lua i Stíl Chicago (17ú heag.)

DHOGAL P.S. BASIC ELECTRICAL ENGG. TATA MC GRAW HILL, 1990.

Lua MLA (9ú heag.)

DHOGAL P.S. BASIC ELECTRICAL ENGG. TATA MC GRAW HILL, 1990.

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