APA
(1986). State of the art. Laguna: Philippine Council for Agriculture, Forestry and Natural Resources Research and Development.
Chicago
1986. State of the art. Laguna: Philippine Council for Agriculture, Forestry and Natural Resources Research and Development.
Harvard
(1986). State of the art. Laguna: Philippine Council for Agriculture, Forestry and Natural Resources Research and Development.
MLA
State of the art. Laguna: Philippine Council for Agriculture, Forestry and Natural Resources Research and Development. 1986.