Cita APA (7a ed.)
Versteeg, M., & Koudokpon, V. (1993). Participative farmer testing of four low external input technologies, to address soil fertility decline in Mono Province( Benin). Elsevier.
Cita Chicago Style (17a ed.)
Versteeg, M., y V. Koudokpon. Participative Farmer Testing of Four Low External Input Technologies, to Address Soil Fertility Decline in Mono Province( Benin). Elsevier, 1993.
Cita MLA (9a ed.)
Versteeg, M., y V. Koudokpon. Participative Farmer Testing of Four Low External Input Technologies, to Address Soil Fertility Decline in Mono Province( Benin). Elsevier, 1993.
Precaución: Estas citas no son 100% exactas.