APA-čujuhus (7. p.)
Armando B. Mendes, E. L. D. G. S. d. S. Efficiency Measures in the Agricultural Sector: With Applications. Springer.
Chicago-čujuhus (17. p.)
Armando B. Mendes, Emiliana L. D. G. Soares da Silva. Efficiency Measures in the Agricultural Sector: With Applications. Dordrecht, Holanda: Springer.
MLA-čujuhus (9. p.)
Armando B. Mendes, Emiliana L. D. G. Soares da Silva. Efficiency Measures in the Agricultural Sector: With Applications. Springer.
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