Philippines. Congress. House of Representatives. Congressional Planning and Budget Office. (1990). Department of Transportation and Communication (DOTC): Oversight report. CPBO, House of Representatives.
Chicago-referens (17:e uppl.)Philippines. Congress. House of Representatives. Congressional Planning and Budget Office. Department of Transportation and Communication (DOTC): Oversight Report. Quezon City: CPBO, House of Representatives, 1990.
MLA-referens (9:e uppl.)Philippines. Congress. House of Representatives. Congressional Planning and Budget Office. Department of Transportation and Communication (DOTC): Oversight Report. CPBO, House of Representatives, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.