Não informado. (1970). Descriptions of plant viruses. Association od Applied Biologists.
Style de citation Chicago (17e éd.)Não informado. Descriptions of Plant Viruses. Warwick, Inglaterra: Association od Applied Biologists, 1970.
Style de citation MLA (8e éd.)Não informado. Descriptions of Plant Viruses. Association od Applied Biologists, 1970.
Attention : ces citations peuvent ne pas être correctes à 100%.