ALLEN, C. H. (1987). Oman: The modernization of the sultanate. Westview Press.
Chicago-čujuhus (17. p.)ALLEN, Calvin H. Oman: The Modernization of the Sultanate. Boulder: Westview Press, 1987.
MLA-čujuhus (9. p.)ALLEN, Calvin H. Oman: The Modernization of the Sultanate. Westview Press, 1987.
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