Cita APA
Johnson, H. (1990). Professional communications - for a change. Prentice Hall.
Citación estilo Chicago
Johnson, Hans. Professional Communications - for a Change. New york: Prentice Hall, 1990.
Cita MLA
Johnson, Hans. Professional Communications - for a Change. Prentice Hall, 1990.
Warning: These citations may not always be 100% accurate.