De Guzman, R. P., Ocampo, R. B., Mariano, V. D., & Brillantes, A. B. J. (1977). The political/administrative aspects of regionalization and development in the Philippines: Issues, problems, and prospects. Philippine Journal of Public Administration.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)De Guzman, Raul P., Romeo B. Ocampo, Vicente D. Mariano, و Alex B. Jr Brillantes. "The Political/administrative Aspects of Regionalization and Development in the Philippines: Issues, Problems, and Prospects." Philippine Journal of Public Administration 1977.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)De Guzman, Raul P., et al. "The Political/administrative Aspects of Regionalization and Development in the Philippines: Issues, Problems, and Prospects." Philippine Journal of Public Administration, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.