Παραπομπή APA

Anne Gregory. (2003). Public relations in practice: A sector-by-sector guide. Crest Publishing House.

Παραπομπή Chicago Style

Anne Gregory. Public Relations in Practice: A Sector-by-sector Guide. New Delhi: Crest Publishing House, 2003.

Παραπομπή MLA

Anne Gregory. Public Relations in Practice: A Sector-by-sector Guide. Crest Publishing House, 2003.