University of the Philippines College of Music Department of Keyboard. (2011). Straight? B's. University of the Philippines College of Music Department of Keyboard.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of the Philippines College of Music Department of Keyboard. Straight? B's. Quezon City: University of the Philippines College of Music Department of Keyboard, 2011.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)University of the Philippines College of Music Department of Keyboard. Straight? B's. University of the Philippines College of Music Department of Keyboard, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.