Aschhoff, G., & Henningsen, E. The German cooperative system . its history, structure and strength.
Chicago Style (17th ed.) CitationAschhoff, Gunther, and Eckart Henningsen. The German Cooperative System . Its History, Structure and Strength.
MLA (8th ed.) CitationAschhoff, Gunther, and Eckart Henningsen. The German Cooperative System . Its History, Structure and Strength.
Warning: These citations may not always be 100% accurate.