APA (7th ed.) Zitazioa
(1998). Sustainable business: Economic development and environmentally sound technologies. Malawi Development Corporation.
Chicago Style (17th ed.) Zitazioa
Sustainable Business: Economic Development and Environmentally Sound Technologies. Blantyre: Malawi Development Corporation, 1998.
MLA (9th ed.) Zitazioa
Sustainable Business: Economic Development and Environmentally Sound Technologies. Malawi Development Corporation, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.