Calasanz, E. J. E. Rev. Joseph A. Galdon, S. J. (1928-2010) [Obituary]. Philippine studies..
Lua i Stíl Chicago (17ú heag.)Calasanz, Eduardo Jose E. "Rev. Joseph A. Galdon, S. J. (1928-2010) [Obituary]." Philippine Studies. .
Lua MLA (9ú heag.)Calasanz, Eduardo Jose E. "Rev. Joseph A. Galdon, S. J. (1928-2010) [Obituary]." Philippine Studies., .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.