Lua APA (7ú heag.)

VIJAYAKUMAR, G. (1990). PERFORMANCE APPRAISAL. DISCOVERY PUB HOUSE.

Lua i Stíl Chicago (17ú heag.)

VIJAYAKUMAR, G.V.V. PERFORMANCE APPRAISAL. DISCOVERY PUB HOUSE, 1990.

Lua MLA (9ú heag.)

VIJAYAKUMAR, G.V.V. PERFORMANCE APPRAISAL. DISCOVERY PUB HOUSE, 1990.

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