UNEP & The Regency corporation Limited. (1998). Sustainable business: Economic developement and enviromentally sound technologies. Malawi development corporation.
Cita Chicago (17th ed.)UNEP i The Regency corporation Limited. Sustainable Business: Economic Developement and Enviromentally Sound Technologies. Blantyre: Malawi development corporation, 1998.
Cita MLA (9th ed.)UNEP i The Regency corporation Limited. Sustainable Business: Economic Developement and Enviromentally Sound Technologies. Malawi development corporation, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.