Santiago, R. M. (1981). Growth of coconut seedlings as influenced by different fertility levels in three soil types [microform]. Photoduplication Service. University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Santiago, Rebecco M. Growth of Coconut Seedlings as Influenced by Different Fertility Levels in Three Soil Types [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1981.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Santiago, Rebecco M. Growth of Coconut Seedlings as Influenced by Different Fertility Levels in Three Soil Types [microform]. Photoduplication Service. University of the Philippines Library, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.