Tohutoro APA (7th ed.)
Poulsen, T. M. (1995). Nations and states: A geographic background to world affairs. Prentice Hall.
Tohutoru Kātū Chicago (17th ed.)
Poulsen, Thomas M. Nations and States: A Geographic Background to World Affairs. Englewood Cliffs, N.J.: Prentice Hall, 1995.
Tohutoro MLA (9th ed.)
Poulsen, Thomas M. Nations and States: A Geographic Background to World Affairs. Prentice Hall, 1995.
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