APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.