Cita APA (7a ed.)

Vik, G. N., & Gilsdorf, J. W. (1994). Business communication. Irwin.

Cita Chicago Style (17a ed.)

Vik, Gretchen N., y Jeannette Wortman Gilsdorf. Business Communication. Burr Ridge, Illinois [etc.]: Irwin, 1994.

Cita MLA (9a ed.)

Vik, Gretchen N., y Jeannette Wortman Gilsdorf. Business Communication. Irwin, 1994.