Hansen, M. H. E. (1953). Sample survey methods and theory. 2v: Methods and applications.
Chicago Style citaatHansen, Morris H. Etc. Sample Survey Methods and Theory. 2v: Methods and Applications. 1953.
MLA citatieHansen, Morris H. Etc. Sample Survey Methods and Theory. 2v: Methods and Applications. 1953.
Let op: Deze citaties zijn niet altijd 100% accuraat.