Philippines. Bureau of Agricultural Statistics. (1998). Development trends in agriculture: International comparisons (6th ed.). Bureau of Agricultural Statistics.
Παραπομπή σε μορφή Chicago (17η εκδ.)Philippines. Bureau of Agricultural Statistics. Development Trends in Agriculture: International Comparisons. 6th ed. Quezon City: Bureau of Agricultural Statistics, 1998.
Παραπομπή σε μορφή MLA (9th εκδ.)Philippines. Bureau of Agricultural Statistics. Development Trends in Agriculture: International Comparisons. 6th ed. Bureau of Agricultural Statistics, 1998.
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