Organisation for Economic Co-operation and Development. (2018). OECD competition assessment reviews: Portugal. Organisation for Economic Co-operation and Development.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Organisation for Economic Co-operation and Development. OECD Competition Assessment Reviews: Portugal. Paris, France: Organisation for Economic Co-operation and Development, 2018.
MLA -ийн эшлэл (9 дэх хэвлэлт)Organisation for Economic Co-operation and Development. OECD Competition Assessment Reviews: Portugal. Organisation for Economic Co-operation and Development, 2018.
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