U. P. Civil Liberties League. (1972). Civil liberties assembly workbook. s.n.
Chicago Style aipamenaU. P. Civil Liberties League. Civil Liberties Assembly Workbook. [Quezon City: s.n, 1972.
MLA aipamenaU. P. Civil Liberties League. Civil Liberties Assembly Workbook. s.n, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.