Cita APA (7a ed.)
Thomas, D. (1997). Soil and water conservation manual for kenya. Soil and water conservation branch.
Cita Chicago Style (17a ed.)
Thomas, D.B. Soil and Water Conservation Manual for Kenya. Nairobi, Kenya: Soil and water conservation branch, 1997.
Cita MLA (9a ed.)
Thomas, D.B. Soil and Water Conservation Manual for Kenya. Soil and water conservation branch, 1997.
Precaución: Estas citas no son 100% exactas.