APA (7e ed.) Bronvermelding

JEFKINS FRANK. (1989). PUBLIC RELATIONS TECHNIQUES. HEINEMANN.

Chicago (17e ed.) Bronvermelding

JEFKINS FRANK. PUBLIC RELATIONS TECHNIQUES. OXFORD: HEINEMANN, 1989.

MLA (9e ed.) Bronvermelding

JEFKINS FRANK. PUBLIC RELATIONS TECHNIQUES. HEINEMANN, 1989.