Cita APA

Tolba, M. K. (2001). Our fragile world: Challenges and opportunities for sustainable development. Oxford, U. K.: Eolss Publishers.

Citación estilo Chicago

Tolba, Mostafa Kamal. Our Fragile World: Challenges and Opportunities for Sustainable Development. Oxford, U. K.: Eolss Publishers, 2001.

Cita MLA

Tolba, Mostafa Kamal. Our Fragile World: Challenges and Opportunities for Sustainable Development. Oxford, U. K.: Eolss Publishers, 2001.