(2007). Foreign trade statistics of the Philippines: 2006. NSO Monthly Bulletin Statistics.
Chicago (17e ed.) Bronvermelding"Foreign Trade Statistics of the Philippines: 2006." NSO Monthly Bulletin Statistics 2007.
MLA (9e ed.) Bronvermelding"Foreign Trade Statistics of the Philippines: 2006." NSO Monthly Bulletin Statistics, 2007.
Let op: Deze citaties zijn niet altijd 100% accuraat.