Collins, P. (1971). A mandate to protect and assist refugees: 20 years of service in the cause of refugees, 1951-1971. Office of the United Nations High Commissioner for Refugees.
Citação do estilo Chicago (17ª ed.)Collins, Peter. A Mandate to Protect and Assist Refugees: 20 Years of Service in the Cause of Refugees, 1951-1971. [Geneva]: Office of the United Nations High Commissioner for Refugees, 1971.
Citação MLA (8ª ed.)Collins, Peter. A Mandate to Protect and Assist Refugees: 20 Years of Service in the Cause of Refugees, 1951-1971. Office of the United Nations High Commissioner for Refugees, 1971.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.