Special Committee on the Revision of the PHILDOC Classification Scheme & Cruz, P. (1994). The classification scheme for Philippine government publications. LISCO Multipurpose Cooperative and Association of Special Libraries of the Philippines.
Chicago-referens (17:e uppl.)Special Committee on the Revision of the PHILDOC Classification Scheme och Prudenciana Cruz. The Classification Scheme for Philippine Government Publications. Manila: LISCO Multipurpose Cooperative and Association of Special Libraries of the Philippines, 1994.
MLA-referens (9:e uppl.)Special Committee on the Revision of the PHILDOC Classification Scheme och Prudenciana Cruz. The Classification Scheme for Philippine Government Publications. LISCO Multipurpose Cooperative and Association of Special Libraries of the Philippines, 1994.