Παραπομπή σε μορφή APA (7η εκδ.)

Epstein, J. (1987). Providing information about urban services: Issues, problems and practices in informing consumers about public services. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Epstein, Joy. Providing Information About Urban Services: Issues, Problems and Practices in Informing Consumers About Public Services. Luxembourg: Office for Official Publications of the European Communities, 1987.

Παραπομπή σε μορφή MLA (9th εκδ.)

Epstein, Joy. Providing Information About Urban Services: Issues, Problems and Practices in Informing Consumers About Public Services. Office for Official Publications of the European Communities, 1987.