Tangco, B. L. (2011). The convenience in varying zoological classification in that which refers to man. Philippiniana Sacra.
Lua i Stíl Chicago (17ú heag.)Tangco, Belen Lorezca. "The Convenience in Varying Zoological Classification in That Which Refers to Man." Philippiniana Sacra 2011.
Lua MLA (9ú heag.)Tangco, Belen Lorezca. "The Convenience in Varying Zoological Classification in That Which Refers to Man." Philippiniana Sacra, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.