Philippines. Bureau of Agricultural Statistics & Rola, T. V. (2008). An External review of PhilRice impact. Bureau of Agricultural Research.
Chicago-referens (17:e uppl.)Philippines. Bureau of Agricultural Statistics och Tess V. Rola. An External Review of PhilRice Impact. Quezon City: Bureau of Agricultural Research, 2008.
MLA-referens (9:e uppl.)Philippines. Bureau of Agricultural Statistics och Tess V. Rola. An External Review of PhilRice Impact. Bureau of Agricultural Research, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.