ebrary, Inc. (1993). Agricultural crop issues and policies. National Academy Press.
Copiat
No s'ha pogut copiar
Cita Chicago (17th ed.)
ebrary, Inc. Agricultural Crop Issues and Policies. Washington, D.C.: National Academy Press, 1993.
Copiat
No s'ha pogut copiar
Cita MLA (9th ed.)
ebrary, Inc. Agricultural Crop Issues and Policies. National Academy Press, 1993.
Copiat
No s'ha pogut copiar
Atenció: Aquestes cites poden no estar 100% correctes.