Phytosanitary position in regard to four quarantine pests and one disease in 1968.
APA Citation
European and Mediterranean Plant Protection Organisation. (1970). Phytosanitary position in regard to four quarantine pests and one disease in 1968. Paris.
MLA Citation
European and Mediterranean Plant Protection Organisation. Phytosanitary Position In Regard to Four Quarantine Pests And One Disease In 1968. Paris, 1970.
Warning: These citations may not always be complete (especially for serials).