Ching, J., Legarda, B., & Legarda, R. (1991). Atmospheric corrosion resistance of roofing materials around DLSU campus. Animo Repository.
استشهاد بنمط شيكاغوChing, Janet, Bernard Legarda, و Roland Legarda. Atmospheric Corrosion Resistance of Roofing Materials Around DLSU Campus. Animo Repository, 1991.
MLA استشهادChing, Janet, Bernard Legarda, و Roland Legarda. Atmospheric Corrosion Resistance of Roofing Materials Around DLSU Campus. Animo Repository, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.