Gakkai, S. History and directions. s.n.
Chicago Style aipamenaGakkai, Soka. History and Directions. Japan: s.n.
MLA aipamenaGakkai, Soka. History and Directions. s.n.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Gakkai, S. History and directions. s.n.
Chicago Style aipamenaGakkai, Soka. History and Directions. Japan: s.n.
MLA aipamenaGakkai, Soka. History and Directions. s.n.