TY - BOOK ED - Hill and Knowlton, inc. TI - Critical issues in public relations SN - 0131938886 U1 - 659.2 PY - 1975/// CY - Englewood Cliffs, N.J. PB - Prentice-Hall KW - Public relations KW - United States KW - Industries KW - Social aspects N1 - Includes index ER -