Santiago, R. (1998). Department of Labor and Employment: 65th anniversary. Manila Bulletin.
Chicago-referens (17:e uppl.)Santiago, Roni. "Department of Labor and Employment: 65th Anniversary." Manila Bulletin 1998.
MLA-referens (9:e uppl.)Santiago, Roni. "Department of Labor and Employment: 65th Anniversary." Manila Bulletin, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.