Ledesma, A. A. E., & de la Peña, F. J. (2017). H.I.A.S: A protective gear integrated with an alarming device and safety signal lights for bike commuters. College of Fine Arts, University of the Philippines Diliman.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ledesma, Andrej Arni Esquillo, و Fortunato Jr de la Peña. H.I.A.S: A Protective Gear Integrated with an Alarming Device and Safety Signal Lights for Bike Commuters. Quezon City: College of Fine Arts, University of the Philippines Diliman, 2017.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ledesma, Andrej Arni Esquillo, و Fortunato Jr de la Peña. H.I.A.S: A Protective Gear Integrated with an Alarming Device and Safety Signal Lights for Bike Commuters. College of Fine Arts, University of the Philippines Diliman, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.