Cita APA (7th ed.)

Putnis, P., & Petelin, R. (1996). Professional communication: Principles and applications. Prentice Hall.

Cita Chicago (17th ed.)

Putnis, Peter, i Roslyn Petelin. Professional Communication: Principles and Applications. Sydney: Prentice Hall, 1996.

Cita MLA (9th ed.)

Putnis, Peter, i Roslyn Petelin. Professional Communication: Principles and Applications. Prentice Hall, 1996.