Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
Heinrichs W and H Seidel and L Bertullis,"独占的商業〔Der Monopolistische Handel,ein Instrument zur Sicherung maxmaler Profite.1956〕-1-",福岡大學商學論叢 = Fukuoka University review of commercial sciences,02852780,福岡 : 福岡大学研究推進部,1969-02,13,2,259-312,https://cir.nii.ac.jp/crid/1520853834738938240,