Ignacio, J. O. (1976). Biographies of Filipino heroes: A textbook for Spanish 4 N. Merriam & Webster.
Lua i Stíl Chicago (17ú heag.)Ignacio, Josefina O. Biographies of Filipino Heroes: A Textbook for Spanish 4 N. Manila: Merriam & Webster, 1976.
Lua MLA (9ú heag.)Ignacio, Josefina O. Biographies of Filipino Heroes: A Textbook for Spanish 4 N. Merriam & Webster, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.