Cita APA (7a ed.)
Kang, B., & Beldt, R. v. d. (1990). Agroforestry systems for sustained crop production in the tropics, with special reference to West Africa.
Cita Chicago Style (17a ed.)
Kang, B., y R.J. van den Beldt. Agroforestry Systems for Sustained Crop Production in the Tropics, with Special Reference to West Africa. 1990.
Cita MLA (9a ed.)
Kang, B., y R.J. van den Beldt. Agroforestry Systems for Sustained Crop Production in the Tropics, with Special Reference to West Africa. 1990.
Precaución: Estas citas no son 100% exactas.