Wickizer, V. D. (1951). Coffee, tea, and cocoa; an economic and political analysis. Stanford Univ. Press.
Chicago-viite (17. p.)Wickizer, Vernon Dale. Coffee, Tea, and Cocoa; an Economic and Political Analysis. Stanford: Stanford Univ. Press, 1951.
MLA-viite (9. p.)Wickizer, Vernon Dale. Coffee, Tea, and Cocoa; an Economic and Political Analysis. Stanford Univ. Press, 1951.
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