Não informado. Planning: A broadsheet issued by PEP. Political and Economic Planning.
Citação do estilo Chicago (17ª ed.)Não informado. Planning: A Broadsheet Issued by PEP. London: Political and Economic Planning.
Citação MLA (8ª ed.)Não informado. Planning: A Broadsheet Issued by PEP. Political and Economic Planning.
Atenció: Aquestes cites poden no estar 100% correctes.