Tietueen sitaatit
APA-viitePirttilä, I., Forestry and Beekeeping Division, T., Finnida, & Finnish Forest and Park Service. (1993). The discharge of Sigi river as an indicator of water catchment value of the East Usambara mountains in Tanzania. Finnish Forest and Park Service.
Chicago-tyylinen lähdeviittausPirttilä, Ilari, Tanzania Forestry and Beekeeping Division, Finnida, ja Finnish Forest and Park Service. The Discharge of Sigi River as an Indicator of Water Catchment Value of the East Usambara Mountains in Tanzania. Vantaa: Finnish Forest and Park Service, 1993.
MLA-viitePirttilä, Ilari, et al. The Discharge of Sigi River as an Indicator of Water Catchment Value of the East Usambara Mountains in Tanzania. Finnish Forest and Park Service, 1993.
Harvard-tyylinen lähdeviittausPirttilä, I., Forestry and Beekeeping Division, T., Finnida & Finnish Forest and Park Service. 1993. The discharge of Sigi river as an indicator of water catchment value of the East Usambara mountains in Tanzania. Vantaa: Finnish Forest and Park Service.