Lua APA (7ú heag.)

SINHA, K. K. (2006). BUSINESS COMMUNICATION. GALGOTIA.

Lua i Stíl Chicago (17ú heag.)

SINHA, K K. BUSINESS COMMUNICATION. NEW DELHI: GALGOTIA, 2006.

Lua MLA (9ú heag.)

SINHA, K K. BUSINESS COMMUNICATION. GALGOTIA, 2006.

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