Goseco, P. S. Selected readings in teaching of English as a second language. U.P. College of Education.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Goseco, Petronila Sibal. Selected Readings in Teaching of English as a Second Language. [Quezon City: U.P. College of Education.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Goseco, Petronila Sibal. Selected Readings in Teaching of English as a Second Language. U.P. College of Education.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.