University of the Philippines (Diliman). Main Library & Filipiniana Special Collections Project Staff. (1998). Philippine radical papers in the University of the Philippines Diliman Main Library: A subject guide. University of the Philippines Press.
Chicago-referens (17:e uppl.)University of the Philippines (Diliman). Main Library och Filipiniana Special Collections Project Staff. Philippine Radical Papers in the University of the Philippines Diliman Main Library: A Subject Guide. Quezon City: University of the Philippines Press, 1998.
MLA-referens (9:e uppl.)University of the Philippines (Diliman). Main Library och Filipiniana Special Collections Project Staff. Philippine Radical Papers in the University of the Philippines Diliman Main Library: A Subject Guide. University of the Philippines Press, 1998.