APA (7e ed.) Bronvermelding

Walton, D. (1989). Are you communicating: You can't manage without it [sound recording]. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Walton, Donald. Are You Communicating: You Can't Manage Without It [sound Recording]. New York: McGraw-Hill, 1989.

MLA (9e ed.) Bronvermelding

Walton, Donald. Are You Communicating: You Can't Manage Without It [sound Recording]. McGraw-Hill, 1989.