Behrens, K. C. (1966). Demoskopische Marktforschung.
Chicago Style (17th ed.) CitationBehrens, Karl Christian. Demoskopische Marktforschung. 1966.
MLA (9th ed.) CitationBehrens, Karl Christian. Demoskopische Marktforschung. 1966.
Warning: These citations may not always be 100% accurate.