Mariano, S. M. (1980). Inservice training needs of foresters as perceived by them and their administrators [microform]. Photoduplication Service. University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mariano, Sinesio M. Inservice Training Needs of Foresters as Perceived by Them and Their Administrators [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1980.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Mariano, Sinesio M. Inservice Training Needs of Foresters as Perceived by Them and Their Administrators [microform]. Photoduplication Service. University of the Philippines Library, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.