Unesco. Principal Regional Office for Asia and the Pacific. (1989). Resources for chemistry learning and teaching. Unesco.
Citazione stile Chigago Style (17a edizione)Unesco. Principal Regional Office for Asia and the Pacific. Resources for Chemistry Learning and Teaching. Bangkok: Unesco, 1989.
Citatione MLA (9a ed.)Unesco. Principal Regional Office for Asia and the Pacific. Resources for Chemistry Learning and Teaching. Unesco, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.