Singapur Curriculum Planning & Development Division. (2024). Geography: Upper secondary geography textbook (Express / Normal (Academic), First published.). Ministry of Education, Government of Singapore.
Chicago-Zitierstil (17. Ausg.)Singapur Curriculum Planning & Development Division. Geography: Upper Secondary Geography Textbook. Express / Normal (Academic), First published. Singapore: Ministry of Education, Government of Singapore, 2024.
MLA-Zitierstil (9. Ausg.)Singapur Curriculum Planning & Development Division. Geography: Upper Secondary Geography Textbook. Express / Normal (Academic), First published. Ministry of Education, Government of Singapore, 2024.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.