Unesco. Principal Regional Office for Asia and the Pacific. (1989). Resources for chemistry learning and teaching. Unesco.
Chicago-Zitierstil (17. Ausg.)Unesco. Principal Regional Office for Asia and the Pacific. Resources for Chemistry Learning and Teaching. Bangkok: Unesco, 1989.
MLA-Zitierstil (9. Ausg.)Unesco. Principal Regional Office for Asia and the Pacific. Resources for Chemistry Learning and Teaching. Unesco, 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.