Lua APA (7ú heag.)

LOCKER, K. O. (2000). BUSINESS COMMUNICATION. MCGRAW HILL.

Lua i Stíl Chicago (17ú heag.)

LOCKER, K O. BUSINESS COMMUNICATION. BOSTON: MCGRAW HILL, 2000.

Lua MLA (9ú heag.)

LOCKER, K O. BUSINESS COMMUNICATION. MCGRAW HILL, 2000.

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