Citação norma APA

(1994). European journal of agricultural education and extension: International journal on changes in agricultural knowledge systems. [Verlag nicht ermittelbar].

Citação norma Chicago

European Journal of Agricultural Education and Extension: International Journal on Changes in Agricultural Knowledge Systems. Wageningen: [Verlag nicht ermittelbar], 1994.

Citação norma MLA

European Journal of Agricultural Education and Extension: International Journal on Changes in Agricultural Knowledge Systems. [Verlag nicht ermittelbar], 1994.

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