Farm primer. Philippine Council for Agriculture, Forestry and Natural Resources Research and Development.
Cita Chicago Style (17a ed.)Farm Primer. Bicutan: Philippine Council for Agriculture, Forestry and Natural Resources Research and Development.
Cita MLA (9a ed.)Farm Primer. Philippine Council for Agriculture, Forestry and Natural Resources Research and Development.
Precaución: Estas citas no son 100% exactas.