Gaya APA

Allen, C, H, J. (1987). OMAN ( the Modernization of the Sultanate ) . Boulder, San Fransisco, Oxford: Westview Press.

Gaya MLA

Allen, Calvin, H.,, Jr.. "OMAN ( the Modernization of the Sultanate )". Boulder, San Fransisco, Oxford: Westview Press, 1987. Text.