Philippines. Bureau of Agricultural Economics & Economic Research Division. (1978). Costs and returns in sitao production. BAECON.
Chicago-referens (17:e uppl.)Philippines. Bureau of Agricultural Economics och Economic Research Division. Costs and Returns in Sitao Production. Quezon City: BAECON, 1978.
MLA-referens (9:e uppl.)Philippines. Bureau of Agricultural Economics och Economic Research Division. Costs and Returns in Sitao Production. BAECON, 1978.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.