Librero, A. R., & Emlano, N. E. (1990). Estimating returns to research investment in poultry in the Philippines. Socio-Economic Research Division, Philippine Council for Agriculture, Forestry and Natural Resources Research and Development.
芝加哥风格引文Librero, Aida Recto, 与 Nineveth E. Emlano. Estimating Returns to Research Investment in Poultry in the Philippines. Los Banos, Laguna: Socio-Economic Research Division, Philippine Council for Agriculture, Forestry and Natural Resources Research and Development, 1990.
MLA引文Librero, Aida Recto, 与 Nineveth E. Emlano. Estimating Returns to Research Investment in Poultry in the Philippines. Socio-Economic Research Division, Philippine Council for Agriculture, Forestry and Natural Resources Research and Development, 1990.