Librero, A. R., Emlano, N. E., & Ocampo, M. B. (1988). Estimating returns to research investment in mango in the Philippines. Socio-Economic Research Division, PCARRD.
Chicago-viite (17. p.)Librero, Aida Recto, Nineveth E. Emlano, ja Myrna B. Ocampo. Estimating Returns to Research Investment in Mango in the Philippines. Los Banos, Laguna: Socio-Economic Research Division, PCARRD, 1988.
MLA-viite (9. p.)Librero, Aida Recto, et al. Estimating Returns to Research Investment in Mango in the Philippines. Socio-Economic Research Division, PCARRD, 1988.
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