Cita APA (7a ed.)

Bowman, J. (1979). Effective business correspondence. Confield Press.

Cita Chicago Style (17a ed.)

Bowman, J. Effective Business Correspondence. Sun Francisco: Confield Press, 1979.

Cita MLA (9a ed.)

Bowman, J. Effective Business Correspondence. Confield Press, 1979.