Citação norma APA

Reserch Institute of Agricultural Economics, Committee on Agricultural Economics, Hungarian Academy of Sciences, Popp, J., Gabor, S., & Laszlo, B. (2009). Studies in agricultural economics 2009: No 109.

Citação norma Chicago

Reserch Institute of Agricultural Economics, Committee on Agricultural Economics, Hungarian Academy of Sciences, Jozsef Popp, Szabo Gabor, and Barnafi Laszlo. Studies in Agricultural Economics 2009: No 109. 2009.

Citação norma MLA

Reserch Institute of Agricultural Economics, et al. Studies in Agricultural Economics 2009: No 109. 2009.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.