APA-viite (7. p.)
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2011). Etudes economiques de l'OCDE: Portugal 2010. OCDE.
Chicago-viite (17. p.)
Organisation for Economic Co-operation and Development ja ProQuest (Firm). Etudes Economiques De L'OCDE: Portugal 2010. [Paris]: OCDE, 2011.
MLA-viite (9. p.)
Organisation for Economic Co-operation and Development ja ProQuest (Firm). Etudes Economiques De L'OCDE: Portugal 2010. OCDE, 2011.
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