APA
Baker Robert F, Organisation for Economic Cooperation and Development Economic Surveys & Organisation for Economic Cooperation and Development Economic Surveys. (1977). Portugal. Paris: OECD.
Chicago
Baker Robert F, Organisation for Economic Cooperation and Development Economic Surveys and Organisation for Economic Cooperation and Development Economic Surveys. 1977. Portugal. Paris: OECD.
Harvard
Baker Robert F, Organisation for Economic Cooperation and Development Economic Surveys and Organisation for Economic Cooperation and Development Economic Surveys. (1977). Portugal. Paris: OECD.
MLA
Baker Robert F, Organisation for Economic Cooperation and Development Economic Surveys and Organisation for Economic Cooperation and Development Economic Surveys. Portugal. Paris: OECD. 1977.
