APA-referens (7:e uppl.)
Lyons, K. J. (2000). Buying for the future: Contract management and the environmental challenge. Pluto Press in association with WWF.
Chicago-referens (17:e uppl.)
Lyons, Kevin J. Buying for the Future: Contract Management and the Environmental Challenge. London: Pluto Press in association with WWF, 2000.
MLA-referens (9:e uppl.)
Lyons, Kevin J. Buying for the Future: Contract Management and the Environmental Challenge. Pluto Press in association with WWF, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.