APA
American Petroleum Institute A., . (1991). Protecting agricultural crops from ozone exposures key isses and future researck directions. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 1991. Protecting agricultural crops from ozone exposures key isses and future researck directions. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (1991). Protecting agricultural crops from ozone exposures key isses and future researck directions. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Protecting agricultural crops from ozone exposures key isses and future researck directions. Washington: American Petroleum Institute, API. 1991.