Citazione APA

Harris, T. L., & Kotler, P. Handbook of value-added public relations. NTC Business Books.

Stile di citazione Chicago

Harris, Thomas L., e Philip Kotler. Handbook of Value-added Public Relations. Chicago: NTC Business Books.

Citazione MLA

Harris, Thomas L., e Philip Kotler. Handbook of Value-added Public Relations. NTC Business Books.