World Summit on Sustainable Development Johannesburg, South Africa, & Barbault, R. (2002). Johannesburg 2002: World Summit on Sustainable Development : what is at stake? the contribution of scientists to the debate [Johannesburg, August 29 - September 4 2002]. Ministere des affaires e?trange?res Association pour la diffusion de la pense?e franc?aise.
Cita Chicago (17th ed.)World Summit on Sustainable Development Johannesburg, South Africa, i R. Barbault. Johannesburg 2002: World Summit on Sustainable Development : What Is at Stake? the Contribution of Scientists to the Debate [Johannesburg, August 29 - September 4 2002]. Paris, 20: Ministere des affaires e?trange?res Association pour la diffusion de la pense?e franc?aise, 2002.
Cita MLA (9th ed.)World Summit on Sustainable Development Johannesburg, South Africa, i R. Barbault. Johannesburg 2002: World Summit on Sustainable Development : What Is at Stake? the Contribution of Scientists to the Debate [Johannesburg, August 29 - September 4 2002]. Ministere des affaires e?trange?res Association pour la diffusion de la pense?e franc?aise, 2002.