Cita APA (7a ed.)
Williams, T. O. (1999). Factors influencing manure application by farmers in semi-arid West Africa. Springer.
Cita Chicago Style (17a ed.)
Williams, Timothy O. Factors Influencing Manure Application by Farmers in Semi-arid West Africa. Springer, 1999.
Cita MLA (9a ed.)
Williams, Timothy O. Factors Influencing Manure Application by Farmers in Semi-arid West Africa. Springer, 1999.
Precaución: Estas citas no son 100% exactas.