F A Skinner. (1986). Nitrogen fixation with non legumes: The third international symposium on nitrogen fixation non legumes Helsinki, 2-8 september 1984. Helsinski: Martinus Nijhoff.
Stile di citazione ChicagoF A Skinner. Nitrogen Fixation With Non Legumes: The Third International Symposium On Nitrogen Fixation Non Legumes Helsinki, 2-8 September 1984. Helsinski: Martinus Nijhoff, 1986.
Citazione MLAF A Skinner. Nitrogen Fixation With Non Legumes: The Third International Symposium On Nitrogen Fixation Non Legumes Helsinki, 2-8 September 1984. Helsinski: Martinus Nijhoff, 1986.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.