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.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.