APA aipamena

Butsch, J. (1917). Negro Catholics in the United States. S.I..

Chicago Style aipamena

Butsch, Joseph. Negro Catholics in the United States. S.I., 1917.

MLA aipamena

Butsch, Joseph. Negro Catholics in the United States. S.I., 1917.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.