De Ocampo, D. J. The relative effects of Small-groups -within-a-large-group instruction versus One-large-group instruction in teaching mathematics.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)De Ocampo, Dolores Javier. The Relative Effects of Small-groups -within-a-large-group Instruction Versus One-large-group Instruction in Teaching Mathematics. Quezon City, 1980.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)De Ocampo, Dolores Javier. The Relative Effects of Small-groups -within-a-large-group Instruction Versus One-large-group Instruction in Teaching Mathematics.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.