Blake, S. E. (2011). The vigorous core of our nationality: Race and regional identity in northeastern Brazil. University of Pittsburgh Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Blake, Stanley E. The Vigorous Core of Our Nationality: Race and Regional Identity in Northeastern Brazil. Pittsburgh, Pennsylvania: University of Pittsburgh Press, 2011.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Blake, Stanley E. The Vigorous Core of Our Nationality: Race and Regional Identity in Northeastern Brazil. University of Pittsburgh Press, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.