UNEP & The Regency corporation Limited. (1998). Sustainable business: Economic developement and enviromentally sound technologies. Malawi development corporation.
Citazione stile Chigago Style (17a edizione)UNEP e The Regency corporation Limited. Sustainable Business: Economic Developement and Enviromentally Sound Technologies. Blantyre: Malawi development corporation, 1998.
Citatione MLA (9a ed.)UNEP e The Regency corporation Limited. Sustainable Business: Economic Developement and Enviromentally Sound Technologies. Malawi development corporation, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.