European Weed Research Council. (1961). Weed research. Blackwell Scientific Publications.
Cita Chicago Style (17a ed.)European Weed Research Council. Weed Research. Oxford, Inglaterra: Blackwell Scientific Publications, 1961.
Cita MLA (8a ed.)European Weed Research Council. Weed Research. Blackwell Scientific Publications, 1961.
Precaución: Estas citas no son 100% exactas.