Umagat, M. d. R. (2000). Factors associated with the achievement in chemistry of senior students in selected secondary schools in Nueva Ecija. Animo Repository.
استشهاد بنمط شيكاغوUmagat, Myrna del Rosario. Factors Associated With the Achievement in Chemistry of Senior Students in Selected Secondary Schools in Nueva Ecija. Animo Repository, 2000.
MLA استشهادUmagat, Myrna del Rosario. Factors Associated With the Achievement in Chemistry of Senior Students in Selected Secondary Schools in Nueva Ecija. Animo Repository, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.