Evans,Douglas. (1974). The Politics of trade: The evolution of the superbles. Halstead.
Tohutoru Kātū Chicago (17th ed.)Evans,Douglas. The Politics of Trade: The Evolution of the Superbles. NewYork: Halstead, 1974.
Tohutoro MLA (9th ed.)Evans,Douglas. The Politics of Trade: The Evolution of the Superbles. Halstead, 1974.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.