Felipe, C. (1977). Germinal karytopic pattern of Radix auricularia (Linne) and Radix ollula (Gould) following continuous gamma-irradiation (Co-60) at 5, 10 and 15 kr. for one hour. University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Felipe, Clarito. Germinal Karytopic Pattern of Radix Auricularia (Linne) and Radix Ollula (Gould) Following Continuous Gamma-irradiation (Co-60) at 5, 10 and 15 Kr. for One Hour. Quezon City: University of the Philippines Library, 1977.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Felipe, Clarito. Germinal Karytopic Pattern of Radix Auricularia (Linne) and Radix Ollula (Gould) Following Continuous Gamma-irradiation (Co-60) at 5, 10 and 15 Kr. for One Hour. University of the Philippines Library, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.