Bielefeld, O. (1961). Warenkunde lexikon. [y.y.]: Dr. Oetker Verlag.
Chicago Style CitationBielefeld, Oetker. Warenkunde Lexikon. [y.y.]: Dr. Oetker Verlag, 1961.
MLA CitationBielefeld, Oetker. Warenkunde Lexikon. [y.y.]: Dr. Oetker Verlag, 1961.
Warning: These citations may not always be 100% accurate.