Стиль цитування APA (7-ме видання)

Organisation for Economic Co-operation and Development & ProQuest (Firm). (2009). Poland. Organisation for Economic Co-operation and Development.

Чикаго стиль цитування (17-те видання)

Organisation for Economic Co-operation and Development та ProQuest (Firm). Poland. Paris: Organisation for Economic Co-operation and Development, 2009.

Стиль цитування MLA (9-ме видання)

Organisation for Economic Co-operation and Development та ProQuest (Firm). Poland. Organisation for Economic Co-operation and Development, 2009.