Cita APA (7th ed.)

Locker, K. O. (2000). Business communication: Building critical skills (4thed.). McGraw-Hill.

Cita Chicago (17th ed.)

Locker, Kitty O. Business Communication: Building Critical Skills. 4thed. New York: McGraw-Hill, 2000.

Cita MLA (9th ed.)

Locker, Kitty O. Business Communication: Building Critical Skills. 4thed. McGraw-Hill, 2000.