Lua APA (7ú heag.)

PILLAI , S. (1989). FIRST COURCE ON ELECTRICAL DRVIES. WILEY EASTERN LTD.

Lua i Stíl Chicago (17ú heag.)

PILLAI , S.K. FIRST COURCE ON ELECTRICAL DRVIES. WILEY EASTERN LTD, 1989.

Lua MLA (9ú heag.)

PILLAI , S.K. FIRST COURCE ON ELECTRICAL DRVIES. WILEY EASTERN LTD, 1989.

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