APA-referens (7:e uppl.)

ALLEN, C. H. (1987). Oman: The modernization of the sultanate. Westview Press.

Chicago-referens (17:e uppl.)

ALLEN, Calvin H. Oman: The Modernization of the Sultanate. Boulder: Westview Press, 1987.

MLA-referens (9:e uppl.)

ALLEN, Calvin H. Oman: The Modernization of the Sultanate. Westview Press, 1987.