Wengert, E. S. (1957). Case studies as tools of administrative analysis. Philippine Journal of Public Administration.
芝加哥风格引文Wengert, Egbert S. "Case Studies as Tools of Administrative Analysis." Philippine Journal of Public Administration 1957.
MLA引文Wengert, Egbert S. "Case Studies as Tools of Administrative Analysis." Philippine Journal of Public Administration, 1957.
警告：这些引文格式不一定是100％准确.