Casper, G. G. (1987). Leadership strategies and regime change under authoritarianism: Government performance and supportbuilding in the Philippines. University of Michigan.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Casper, Gretchen Gabrielle. Leadership Strategies and Regime Change Under Authoritarianism: Government Performance and Supportbuilding in the Philippines. Ann Arbor: University of Michigan, 1987.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Casper, Gretchen Gabrielle. Leadership Strategies and Regime Change Under Authoritarianism: Government Performance and Supportbuilding in the Philippines. University of Michigan, 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.