Unesco. Principal Regional Office for Asia and the Pacific. (1989). Resources for chemistry learning and teaching. Unesco.
芝加哥风格引文Unesco. Principal Regional Office for Asia and the Pacific. Resources for Chemistry Learning and Teaching. Bangkok: Unesco, 1989.
MLA引文Unesco. Principal Regional Office for Asia and the Pacific. Resources for Chemistry Learning and Teaching. Unesco, 1989.
警告：这些引文格式不一定是100％准确.