Hansen, M. H. E. (1953). Sample survey methods and theory. 2v: Methods and applications.
Style de citation ChicagoHansen, Morris H. Etc. Sample Survey Methods and Theory. 2v: Methods and Applications. 1953.
Style de citation MLAHansen, Morris H. Etc. Sample Survey Methods and Theory. 2v: Methods and Applications. 1953.
Attention : ces citations peuvent ne pas être correctes à 100%.