Singapur Curriculum Planning & Development Division. (2024). Social studies: Express/normal (academic). Hodder Education.
Chicago-Zitierstil (17. Ausg.)Singapur Curriculum Planning & Development Division. Social Studies: Express/normal (academic). London: Hodder Education, 2024.
MLA-Zitierstil (9. Ausg.)Singapur Curriculum Planning & Development Division. Social Studies: Express/normal (academic). Hodder Education, 2024.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.