NATIONAL PRODUCTIVITY COUNCIL. (1980). CASE STUDIES IN INSTRUMENTION BY SRINIVASAN. NATIONAL PRODUCTIVITY COUNCIL.
芝加哥风格引文NATIONAL PRODUCTIVITY COUNCIL. CASE STUDIES IN INSTRUMENTION BY SRINIVASAN. NEW DELHI: NATIONAL PRODUCTIVITY COUNCIL, 1980.
MLA引文NATIONAL PRODUCTIVITY COUNCIL. CASE STUDIES IN INSTRUMENTION BY SRINIVASAN. NATIONAL PRODUCTIVITY COUNCIL, 1980.
警告：这些引文格式不一定是100％准确.