APA (7e ed.) Bronvermelding

Philippines. Bureau of Agricultural Statistics. (2010). Producer price index for agriculture 2007-2009. Bureau of Agricultural Statistics.

Chicago (17e ed.) Bronvermelding

Philippines. Bureau of Agricultural Statistics. Producer Price Index for Agriculture 2007-2009. Quezon City: Bureau of Agricultural Statistics, 2010.

MLA (9e ed.) Bronvermelding

Philippines. Bureau of Agricultural Statistics. Producer Price Index for Agriculture 2007-2009. Bureau of Agricultural Statistics, 2010.