ebrary, Inc, & Cardim, P. (2012). Polycentric monarchies: How did early modern Spain and Portugal achieve and maintain a global hegemony? Sussex Academic Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)ebrary, Inc, و Pedro Cardim. Polycentric Monarchies: How Did Early Modern Spain and Portugal Achieve and Maintain a Global Hegemony? Brighton ; Portland, Or.: Sussex Academic Press, 2012.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)ebrary, Inc, و Pedro Cardim. Polycentric Monarchies: How Did Early Modern Spain and Portugal Achieve and Maintain a Global Hegemony? Sussex Academic Press, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.