Agpaoa, B. P. (1975). A study on the effect of classroom instruction in vocational agriculture on field laboratory projects [microform]. Photoduplication Service, University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Agpaoa, Bienvenido Pascua. A Study on the Effect of Classroom Instruction in Vocational Agriculture on Field Laboratory Projects [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Agpaoa, Bienvenido Pascua. A Study on the Effect of Classroom Instruction in Vocational Agriculture on Field Laboratory Projects [microform]. Photoduplication Service, University of the Philippines Library, 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.