APA-referens (7:e uppl.)

Olongapo (City). Office of the Mayor & Capital Improvement Program Committee. (1976). Capital improvement program, FY 1976-1980: City of Olongapo. The Office.

Chicago-referens (17:e uppl.)

Olongapo (City). Office of the Mayor och Capital Improvement Program Committee. Capital Improvement Program, FY 1976-1980: City of Olongapo. Olongapo City: The Office, 1976.

MLA-referens (9:e uppl.)

Olongapo (City). Office of the Mayor och Capital Improvement Program Committee. Capital Improvement Program, FY 1976-1980: City of Olongapo. The Office, 1976.