SpringerLink (Online service), Mendes, A. B., L. D. G. Soares da Silva, E., & Azevedo Santos, J. M. (2013). Efficiency Measures in the Agricultural Sector: With Applications. Springer Netherlands : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Armando B. Mendes, Emiliana L. D. G. Soares da Silva, και Jorge M. Azevedo Santos. Efficiency Measures in the Agricultural Sector: With Applications. Dordrecht: Springer Netherlands : Imprint: Springer, 2013.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Efficiency Measures in the Agricultural Sector: With Applications. Springer Netherlands : Imprint: Springer, 2013.
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