APA-viite (7. p.)
Organisation for Economic Co-operation and Development, SourceOECD (Online service), & ProQuest (Firm). (2007). Environment and regional trade agreements. OECD.
Chicago-viite (17. p.)
Organisation for Economic Co-operation and Development, SourceOECD (Online service), ja ProQuest (Firm). Environment and Regional Trade Agreements. Paris: OECD, 2007.
MLA-viite (9. p.)
Organisation for Economic Co-operation and Development, et al. Environment and Regional Trade Agreements. OECD, 2007.
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