Ruffner, R. H. (1984). Handbook of publicity and public reletions for the nonprofit organization. Prentice-Hall.
Cita Chicago (17th ed.)Ruffner, Robert H. Handbook of Publicity and Public Reletions for the Nonprofit Organization. Englewood Cliffs, N.J: Prentice-Hall, 1984.
Cita MLA (9th ed.)Ruffner, Robert H. Handbook of Publicity and Public Reletions for the Nonprofit Organization. Prentice-Hall, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.