Cita APA (7a ed.)
WRENmedia. (2008). Improving the varieties. Technical Centre for Agricultural and Rural Cooperation.
Cita Chicago Style (17a ed.)
WRENmedia. Improving the Varieties. Technical Centre for Agricultural and Rural Cooperation, 2008.
Cita MLA (9a ed.)
WRENmedia. Improving the Varieties. Technical Centre for Agricultural and Rural Cooperation, 2008.
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