APA

Herkströter C., Shell, World Economic Forum (1998 feb. 2 : Davos S., Shell & World Economic Forum (1998 feb. 2 : Davos S. (199). Reflections on Kyoto. [s.l.]: Shell.

Chicago

Herkströter Cor, Shell, World Economic Forum (1998 feb. 2 : Davos Switzerland), Shell and World Economic Forum (1998 feb. 2 : Davos Switzerland). 199. Reflections on Kyoto. [s.l.]: Shell.

Harvard

Herkströter C., Shell, World Economic Forum (1998 feb. 2 : Davos S., Shell and World Economic Forum (1998 feb. 2 : Davos S. (199). Reflections on Kyoto. [s.l.]: Shell.

MLA

Herkströter Cor, Shell, World Economic Forum (1998 feb. 2 : Davos Switzerland), Shell and World Economic Forum (1998 feb. 2 : Davos Switzerland). Reflections on Kyoto. [s.l.]: Shell. 199.