Cita APA (7th ed.)

LOCKER KITTY O. (2007). BUSINESS COMMUNICATION (3RD ED.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Cita Chicago (17th ed.)

LOCKER KITTY O. BUSINESS COMMUNICATION. 3RD ED. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2007.

Cita MLA (9th ed.)

LOCKER KITTY O. BUSINESS COMMUNICATION. 3RD ED. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2007.