Riley, H. (1970). Food marketing in the economic development of Puerto Rico. Latin American Studies Center, Michigan State University.
Chicago-viite (17. p.)Riley, Harold. Food Marketing in the Economic Development of Puerto Rico. East Lansing, Mich.: Latin American Studies Center, Michigan State University, 1970.
MLA-viite (8. p.)Riley, Harold. Food Marketing in the Economic Development of Puerto Rico. Latin American Studies Center, Michigan State University, 1970.
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