Lopez, E. H. (1999). Trade deficit cut to $164M in 1998. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Lopez, Edu H. "Trade Deficit Cut to $164M in 1998." Manila Bulletin 1999.
Lua MLA (9ú heag.)Lopez, Edu H. "Trade Deficit Cut to $164M in 1998." Manila Bulletin, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.