Rivera, S. C. (1977). Morphological changes in the differentiating alimentary tract and some of its derivatives in ophicephalus striatus bloch [microform]. Photoduplication Service. University of the Philippines Library.
Lua i Stíl Chicago (17ú heag.)Rivera, Soledad C. Morphological Changes in the Differentiating Alimentary Tract and Some of Its Derivatives in Ophicephalus Striatus Bloch [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Lua MLA (9ú heag.)Rivera, Soledad C. Morphological Changes in the Differentiating Alimentary Tract and Some of Its Derivatives in Ophicephalus Striatus Bloch [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.