Principles and recommendations for the 1970 population censuses.
| Materiálatiipa: | Girji |
|---|---|
| Giella: | eaŋgalasgiella |
| Almmustuhtton: |
New York
[s.n.]
1969.
|
| Ráidu: | Its Statistical papers, ser. M.
no. 44 |
| Fáttát: |