Cita APA (7th ed.)

HART NORMAN A. (2003). PUBLIC RELATIONS AUDIT. CSP LTD.

Cita Chicago (17th ed.)

HART NORMAN A. PUBLIC RELATIONS AUDIT. U K: CSP LTD, 2003.

Cita MLA (9th ed.)

HART NORMAN A. PUBLIC RELATIONS AUDIT. CSP LTD, 2003.