De La Pedraja Toman, R. (1998). Oil and coffee: Latin American merchant shipping from the imperial era to the 1950s. Greenwood Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)De La Pedraja Toman, Rene. Oil and Coffee: Latin American Merchant Shipping from the Imperial Era to the 1950s. Westport, Connecticut: Greenwood Press, 1998.
Παραπομπή σε μορφή MLA (9th εκδ.)De La Pedraja Toman, Rene. Oil and Coffee: Latin American Merchant Shipping from the Imperial Era to the 1950s. Greenwood Press, 1998.
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