(2011). Greening in the library: Sustainable library practices and trends of selected academic libraries in Metro Manila. Journal of Philippine Librarianship.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)"Greening in the Library: Sustainable Library Practices and Trends of Selected Academic Libraries in Metro Manila." Journal of Philippine Librarianship 2011.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)"Greening in the Library: Sustainable Library Practices and Trends of Selected Academic Libraries in Metro Manila." Journal of Philippine Librarianship, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.