Unknown. Photograph of Sister M. Gregoria, S.B.S.
Chicago Style aipamenaUnknown. Photograph of Sister M. Gregoria, S.B.S.
MLA aipamenaUnknown. Photograph of Sister M. Gregoria, S.B.S.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Unknown. Photograph of Sister M. Gregoria, S.B.S.
Chicago Style aipamenaUnknown. Photograph of Sister M. Gregoria, S.B.S.
MLA aipamenaUnknown. Photograph of Sister M. Gregoria, S.B.S.