Eduardo, S. L. (1977). Comparative histology and egg shell formation of Carmyerius synethes (Fischoeder, 1901) and Gastrothylax crumenifer (Creplin, 1847) (Digena: Gastrothylacidae) from Bubalus bubalis Linn. in the Philippines. University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Eduardo, Salcedo L. Comparative Histology and Egg Shell Formation of Carmyerius Synethes (Fischoeder, 1901) and Gastrothylax Crumenifer (Creplin, 1847) (Digena: Gastrothylacidae) from Bubalus Bubalis Linn. in the Philippines. Quezon City: University of the Philippines Library, 1977.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Eduardo, Salcedo L. Comparative Histology and Egg Shell Formation of Carmyerius Synethes (Fischoeder, 1901) and Gastrothylax Crumenifer (Creplin, 1847) (Digena: Gastrothylacidae) from Bubalus Bubalis Linn. in the Philippines. University of the Philippines Library, 1977.