Cita APA (7a ed.)
Grisley, W., & Shamambo, M. (1990). A non-market distribution of Carioca bean seed in Zambia: An analysis of its adoption and diffusion. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Grisley, W., y M. Shamambo. A Non-market Distribution of Carioca Bean Seed in Zambia: An Analysis of Its Adoption and Diffusion. International Center for Tropical Agriculture, 1990.
Cita MLA (9a ed.)
Grisley, W., y M. Shamambo. A Non-market Distribution of Carioca Bean Seed in Zambia: An Analysis of Its Adoption and Diffusion. International Center for Tropical Agriculture, 1990.
Precaución: Estas citas no son 100% exactas.