Singapur Curriculum Planning & Development Division. (2023). Social studies: Express/normal (academic) (First published.). Hodder Education.
Chicago-Zitierstil (17. Ausg.)Singapur Curriculum Planning & Development Division. Social Studies: Express/normal (academic). First published. London: Hodder Education, 2023.
MLA-Zitierstil (9. Ausg.)Singapur Curriculum Planning & Development Division. Social Studies: Express/normal (academic). First published. Hodder Education, 2023.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.