(1971). Problems of the human environment in Japan: Report to the United Nations, March 31, 1971. United Nations: Japan.
Chicago-tyylinen lähdeviittausProblems of the Human Environment in Japan: Report to the United Nations, March 31, 1971. United Nations: Japan, 1971.
MLA-viiteProblems of the Human Environment in Japan: Report to the United Nations, March 31, 1971. United Nations: Japan, 1971.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.