Farm primer. Philippine Council for Agriculture, Forestry and Natural Resources Research and Development.
Lua i Stíl Chicago (17ú heag.)Farm Primer. Bicutan: Philippine Council for Agriculture, Forestry and Natural Resources Research and Development.
Lua MLA (9ú heag.)Farm Primer. Philippine Council for Agriculture, Forestry and Natural Resources Research and Development.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.