WILLIAMS WALTER. (1988). STUDYING IMPLEMENTATION METHODOLOGICAL AND ADMINISTRATIVE ISSUES. POPULAR PRAKASHAN.
芝加哥风格引文WILLIAMS WALTER. STUDYING IMPLEMENTATION METHODOLOGICAL AND ADMINISTRATIVE ISSUES. BOMBAY: POPULAR PRAKASHAN, 1988.
MLA引文WILLIAMS WALTER. STUDYING IMPLEMENTATION METHODOLOGICAL AND ADMINISTRATIVE ISSUES. POPULAR PRAKASHAN, 1988.
警告：这些引文格式不一定是100％准确.