Citação norma APA

Khan, H. (1990). Agricultural extension services in six selected villages of NWFP. Institute of Development Studies, N.W.F.P. Agricultural University.

Citação norma Chicago

Khan, Humayun. Agricultural Extension Services in Six Selected Villages of NWFP. Peshawar, Pakistan: Institute of Development Studies, N.W.F.P. Agricultural University, 1990.

Citação norma MLA

Khan, Humayun. Agricultural Extension Services in Six Selected Villages of NWFP. Institute of Development Studies, N.W.F.P. Agricultural University, 1990.

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