Cita APA

Dar, W. D. (1990). Basic elements of the farming systems approach to research and extension. Bureau of Agricultural Research.

Citación estilo Chicago

Dar, William D. Basic Elements of the Farming Systems Approach to Research and Extension. [S.l.]: Bureau of Agricultural Research, 1990.

Cita MLA

Dar, William D. Basic Elements of the Farming Systems Approach to Research and Extension. Bureau of Agricultural Research, 1990.

Warning: These citations may not always be 100% accurate.