G. F. (1925). Schwerindustrielle Zahlen ([Electronic ed.].).
Chicago Style (17th ed.) CitationG. F. Schwerindustrielle Zahlen. [Electronic ed.]. 1925.
MLA (9th ed.) CitationG. F. Schwerindustrielle Zahlen. [Electronic ed.]. 1925.
Warning: These citations may not always be 100% accurate.