Concepcion, B. S. (1999). A rethinking: Reshaping and resizing the Philippine Air Force in the midst of its present logistical constraints.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Concepcion, Bruce S. A Rethinking: Reshaping and Resizing the Philippine Air Force in the Midst of Its Present Logistical Constraints. Davao City, 1999.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Concepcion, Bruce S. A Rethinking: Reshaping and Resizing the Philippine Air Force in the Midst of Its Present Logistical Constraints. 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.