Filas, F. L. Francis L. Filas, S.J., papers.
Chicago Style aipamenaFilas, Francis Lad. Francis L. Filas, S.J., Papers.
MLA aipamenaFilas, Francis Lad. Francis L. Filas, S.J., Papers.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Filas, F. L. Francis L. Filas, S.J., papers.
Chicago Style aipamenaFilas, Francis Lad. Francis L. Filas, S.J., Papers.
MLA aipamenaFilas, Francis Lad. Francis L. Filas, S.J., Papers.