Brooks, J. G. (1890). The Consumers' league: The economic principle upon which it rests and the practicability of its enforcement. the Co-operative press.
Chicago-referens (17:e uppl.)Brooks, John Graham. The Consumers' League: The Economic Principle upon Which It Rests and the Practicability of Its Enforcement. [Cambridge: the Co-operative press, 1890.
MLA-referens (8:e uppl.)Brooks, John Graham. The Consumers' League: The Economic Principle upon Which It Rests and the Practicability of Its Enforcement. the Co-operative press, 1890.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.