Long, David E.
The United States and Saudi Arabia : ambivalent allies
Westview Press, 1985
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Tubilewicz, Czeslaw
Taiwan and post-communist Europe : shopping for allies
Routledge, 2007
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From allies to frenemies and inconvenient partners: image theory and Turkish-Israeli relations
Artikel Jurnal
Thompson, Chantal P.
Mais Oui! / Chantal P. Thomson, Elaine M. Phillips
D.C. heath and Company, 1996
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Phillips, Wendell
Oman : a history / Wendell Phillips
Longman, 1967
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