| Bahasa Malaysia | zsm-000 |
| Koopmans | |
| català | cat-000 | Tjalling Koopmans |
| English | eng-000 | Koopmans |
| English | eng-000 | Tjalling Charles Koopmans |
| English | eng-000 | Tjalling Koopmans |
| suomi | fin-000 | Koopmans |
| suomi | fin-000 | Tjalling Charles Koopmans |
| suomi | fin-000 | Tjalling Koopmans |
| français | fra-000 | Tjalling Koopmans |
| galego | glg-000 | Tjalling Koopmans |
| bahasa Indonesia | ind-000 | Koopmans |
| bahasa Indonesia | ind-000 | Tjalling C. Koopmans |
| bahasa Indonesia | ind-000 | Tjalling Charles Koopmans |
| bahasa Indonesia | ind-000 | Tjalling Koopmans |
| 日本語 | jpn-000 | クープマンス |
| português | por-000 | Tjalling Koopmans |
| português | por-000 | Tjalling koopmans |
| español | spa-000 | Tjalling Koopmans |
| ภาษาไทย | tha-000 | ทจาลลิ่ง โคพมานส์ |
| Bahasa Malaysia | zsm-000 | Tjalling Charles Koopmans |
| Bahasa Malaysia | zsm-000 | Tjalling Koopmans |