APA (7th ed.) Zitazioa

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.

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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