Fésus, I. (1992). Interaction between agriculture and environment in Hungary. IUCN.
Cita Chicago Style (17a ed.)Fésus, I. Interaction Between Agriculture and Environment in Hungary. Budapest, Hungría: IUCN, 1992.
Cita MLA (9a ed.)Fésus, I. Interaction Between Agriculture and Environment in Hungary. IUCN, 1992.
Precaución: Estas citas no son 100% exactas.