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 Style aipamenaBrooks, 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 aipamenaBrooks, John Graham. The Consumers' League: The Economic Principle upon Which It Rests and the Practicability of Its Enforcement. the Co-operative press, 1890.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.